Red Hat Enterprise Linux 8.6 Extended Update Support update for kernel

Published: 2024-02-21

Risk	Low
Patch available	YES
Number of vulnerabilities	18
CVE-ID	CVE-2022-38457 CVE-2024-1086 CVE-2023-51042 CVE-2023-31084 CVE-2023-30456 CVE-2023-6931 CVE-2023-1074 CVE-2022-40133 CVE-2022-38096 CVE-2023-6546 CVE-2022-36402 CVE-2022-29581 CVE-2022-23960 CVE-2022-20368 CVE-2022-3625 CVE-2022-3239 CVE-2022-2196 CVE-2021-33655
CWE-ID	CWE-416 CWE-833 CWE-20 CWE-787 CWE-401 CWE-476 CWE-362 CWE-190 CWE-911 CWE-1037 CWE-125 CWE-665
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for x86_64 Operating systems & Components / Operating system Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support Operating systems & Components / Operating system Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for ARM 64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system Red Hat Enterprise Linux for Power, little endian - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux Server - AUS Operating systems & Components / Operating system Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions Operating systems & Components / Operating system package or component kernel (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Virtualization Host Web applications / Remote management & hosting panels
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 18 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU80790

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38457

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the vmw_cmd_res_check() function in drivers/gpu/vmxgfx/vmxgfx_execbuf.c. A local user can trigger a use-after-free error and crash the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU86577

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-1086

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU86560

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-51042

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the amdgpu_cs_wait_all_fences() function in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Deadlock

EUVDB-ID: #VU77246

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31084

CWE-ID: CWE-833 - Deadlock

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a deadlock in drivers/media/dvb-core/dvb_frontend.c when a task is in !TASK_RUNNING. A local user can trigger a deadlock and crash the kernel.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Input validation error

EUVDB-ID: #VU75456

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30456

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of consistency for for CR0 and CR4 in arch/x86/kvm/vmx/nested.c in the Linux kernel. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds write

EUVDB-ID: #VU85021

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6931

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the Linux kernel's Performance Events system component. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Memory leak

EUVDB-ID: #VU74124

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1074

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak in Linux kernel Stream Control Transmission Protocol. A local user can start a malicious network service and then connect to remotely, forcing the kernel to leak memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use-after-free

EUVDB-ID: #VU80794

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40133

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the vmw_execbuf_tie_context() function in drivers/gpu/vmxgfx/vmxgfx_execbuf.c. A local user can run a specially crafted program on the system and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) NULL pointer dereference

EUVDB-ID: #VU73764

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38096

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Race condition

EUVDB-ID: #VU85241

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6546

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the GSM 0710 tty multiplexor in the Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Integer overflow

EUVDB-ID: #VU80799

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36402

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in drivers/gpu/vmxgfx/vmxgfx_execbuf.c. A local user can trigger an integer overflow and crash the kernel.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Improper update of reference count

EUVDB-ID: #VU63496

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29581

CWE-ID: CWE-911 - Improper Update of Reference Count

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper update of reference count in net/sched in Linux kernel. A local user can execute arbitrary code with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU65007

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23960

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists due to improper restrictions of cache speculation. A local user can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches and gain access to sensitive information.

The vulnerability was dubbed Spectre-BHB.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Out-of-bounds read

EUVDB-ID: #VU67473

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20368

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary condition within the packet_recvmsg() function in Linux kernel. A local user can trigger an out-of-bounds read error and potentially escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Use-after-free

EUVDB-ID: #VU69397

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3625

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the devlink_param_set() and devlink_param_get() function in net/core/devlink.c in IPsec component of Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Use-after-free

EUVDB-ID: #VU68337

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3239

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Linux kernel video4linux driver in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Improper Initialization

EUVDB-ID: #VU74019

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2196

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization within nVMX in Linux kernel. A local user can perform speculative execution attacks and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Out-of-bounds write

EUVDB-ID: #VU65833

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33655

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in FBIOPUT_VSCREENINFO IOCTL. A local user can trigger an out-of-bounds write error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux for x86_64: 8.6

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support: 8.6

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 8.6

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6

Red Hat Enterprise Linux Server - AUS: 8.6

Red Hat Virtualization Host: 4

kernel (Red Hat package): before 4.18.0-372.93.1.el8_6

External links

http://access.redhat.com/errata/RHSA-2024:0930

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.