Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch



Published: 2023-03-13
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-2964
CVE-2022-41222
CWE-ID CWE-787
CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-372_41_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-372_40_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-372_36_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-372_32_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-372_26_1 (Red Hat package)
Operating systems & Components / Operating system package or component

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 Server - AUS
Operating systems & Components / Operating system

Red Hat Enterprise Linux for x86_64 - Extended Update Support
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU67811

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-2022-2964

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 within the ASIX AX88179_178A-based USB 2.0/3.0 Gigabit Ethernet Devices driver in Linux kernel. 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 Enterprise Linux Server for Power LE - 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 Server - AUS: 8.6

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6

kpatch-patch-4_18_0-372_41_1 (Red Hat package): before 1-2.el8_6

kpatch-patch-4_18_0-372_40_1 (Red Hat package): before 1-3.el8_6

kpatch-patch-4_18_0-372_36_1 (Red Hat package): before 1-3.el8_6

kpatch-patch-4_18_0-372_32_1 (Red Hat package): before 1-4.el8_6

kpatch-patch-4_18_0-372_26_1 (Red Hat package): before 1-5.el8_6

External links

http://access.redhat.com/errata/RHSA-2023:1192


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: #VU68422

Risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41222

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error caused by a stale TLB in mm/mremap.c, because an rmap lock is not held during a PUD move. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - 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 Server - AUS: 8.6

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6

kpatch-patch-4_18_0-372_41_1 (Red Hat package): before 1-2.el8_6

kpatch-patch-4_18_0-372_40_1 (Red Hat package): before 1-3.el8_6

kpatch-patch-4_18_0-372_36_1 (Red Hat package): before 1-3.el8_6

kpatch-patch-4_18_0-372_32_1 (Red Hat package): before 1-4.el8_6

kpatch-patch-4_18_0-372_26_1 (Red Hat package): before 1-5.el8_6

External links

http://access.redhat.com/errata/RHSA-2023:1192


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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