SUSE update for the Linux Kernel



Published: 2023-03-21
Risk Low
Patch available YES
Number of vulnerabilities 9
CVE-ID CVE-2021-4203
CVE-2022-2991
CVE-2022-36280
CVE-2022-38096
CVE-2022-4129
CVE-2023-0045
CVE-2023-0590
CVE-2023-23559
CVE-2023-26545
CWE-ID CWE-416
CWE-122
CWE-787
CWE-476
CWE-254
CWE-190
CWE-415
Exploitation vector Local
Public exploit Public exploit code for vulnerability #6 is available.
Vulnerable software
Subscribe 		SUSE Linux Enterprise High Availability Extension 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 12 SP4 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 12 SP4 ESPOS
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 12
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Live Patching
Operating systems & Components / Operating system

SUSE OpenStack Cloud Crowbar
Operating systems & Components / Operating system

SUSE OpenStack Cloud
Operating systems & Components / Operating system

kernel-default-man
Operating systems & Components / Operating system package or component

kernel-default-kgraft
Operating systems & Components / Operating system package or component

kgraft-patch-4_12_14-95_120-default
Operating systems & Components / Operating system package or component

kernel-default-kgraft-devel
Operating systems & Components / Operating system package or component

gfs2-kmp-default-debuginfo
Operating systems & Components / Operating system package or component

ocfs2-kmp-default
Operating systems & Components / Operating system package or component

cluster-md-kmp-default-debuginfo
Operating systems & Components / Operating system package or component

ocfs2-kmp-default-debuginfo
Operating systems & Components / Operating system package or component

gfs2-kmp-default
Operating systems & Components / Operating system package or component

cluster-md-kmp-default
Operating systems & Components / Operating system package or component

dlm-kmp-default
Operating systems & Components / Operating system package or component

dlm-kmp-default-debuginfo
Operating systems & Components / Operating system package or component

kernel-default-base
Operating systems & Components / Operating system package or component

kernel-default-base-debuginfo
Operating systems & Components / Operating system package or component

kernel-default-debugsource
Operating systems & Components / Operating system package or component

kernel-default-devel
Operating systems & Components / Operating system package or component

kernel-default-debuginfo
Operating systems & Components / Operating system package or component

kernel-default-devel-debuginfo
Operating systems & Components / Operating system package or component

kernel-syms
Operating systems & Components / Operating system package or component

kernel-default
Operating systems & Components / Operating system package or component

kernel-macros
Operating systems & Components / Operating system package or component

kernel-source
Operating systems & Components / Operating system package or component

kernel-devel
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 9 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU63838

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-2021-4203

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 in sock_getsockopt() function in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() function (and connect() function) in the Linux kernel. A local user can exploit the use-after-free error and crash the system or escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) Heap-based buffer overflow

EUVDB-ID: #VU67476

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-2022-2991

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the LightNVM subsystem in Linux kernel. A local user can execute arbitrary code on the system with kernel privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) Out-of-bounds write

EUVDB-ID: #VU71480

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-2022-36280

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the vmw_kms_cursor_snoo() function in drivers/gpu/vmxgfx/vmxgfx_kms.c in vmwgfx VMWare driver. A local user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) 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

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) NULL pointer dereference

EUVDB-ID: #VU70486

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-2022-4129

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 the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) Security features bypass

EUVDB-ID: #VU72469

Risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-0045

CWE-ID: CWE-254 - Security Features

Exploit availability: Yes

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to Linux kernel does not correctly mitigate SMT attacks. A local user can bypass Spectre-BTI user space mitigations and gain access to sensitive information.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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. However, proof of concept for this vulnerability is available.

7) Use-after-free

EUVDB-ID: #VU72098

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-2023-0590

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 qdisc_graft() function in net/sched/sch_api.c. A local user can trigger a use-after-free error and crash the kernel.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) Integer overflow

EUVDB-ID: #VU72468

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-2023-23559

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the rndis_query_oid() function in drivers/net/wireless/rndis_wlan.c. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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) Double Free

EUVDB-ID: #VU73766

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-2023-26545

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a double free in net/mpls/af_mpls.c during the renaming of a device. A local user can trigger a double free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE Linux Enterprise Live Patching: 12-SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

kernel-default-man: before 4.12.14-95.120.4

kernel-default-kgraft: before 4.12.14-95.120.4

kgraft-patch-4_12_14-95_120-default: before 1-6.3.4

kernel-default-kgraft-devel: before 4.12.14-95.120.4

gfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default-debuginfo: before 4.12.14-95.120.4

ocfs2-kmp-default-debuginfo: before 4.12.14-95.120.4

gfs2-kmp-default: before 4.12.14-95.120.4

cluster-md-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default: before 4.12.14-95.120.4

dlm-kmp-default-debuginfo: before 4.12.14-95.120.4

kernel-default-base: before 4.12.14-95.120.4

kernel-default-base-debuginfo: before 4.12.14-95.120.4

kernel-default-debugsource: before 4.12.14-95.120.4

kernel-default-devel: before 4.12.14-95.120.4

kernel-default-debuginfo: before 4.12.14-95.120.4

kernel-default-devel-debuginfo: before 4.12.14-95.120.4

kernel-syms: before 4.12.14-95.120.4

kernel-default: before 4.12.14-95.120.4

kernel-macros: before 4.12.14-95.120.4

kernel-source: before 4.12.14-95.120.4

kernel-devel: before 4.12.14-95.120.4

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/


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.



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