ALAS2LIVEPATCH-2022-092

Related Vulnerabilities: CVE-2022-2585  

A use-after-free flaw was found in the Linux kernel's POSIX CPU timers functionality in the way a user creates and then deletes the timer in the non-leader thread of the program. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-2585)

ALAS2LIVEPATCH-2022-092


Amazon Linux 2 Security Advisory: ALASLIVEPATCH-2022-092
Advisory Release Date: 2022-09-01 22:17 Pacific
Advisory Updated Date: 2022-09-14 00:01 Pacific
Severity: Important
References: CVE-2022-2585 

Issue Overview:

A use-after-free flaw was found in the Linux kernel's POSIX CPU timers functionality in the way a user creates and then deletes the timer in the non-leader thread of the program. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-2585)


Affected Packages:

kernel-livepatch-5.10.130-118.517


Issue Correction:
Please ensure you have live patching enabled.
Run yum update kernel-livepatch-5.10.130-118.517 to update your system.

New Packages:
aarch64:
    kernel-livepatch-5.10.130-118.517-1.0-2.amzn2.aarch64
    kernel-livepatch-5.10.130-118.517-debuginfo-1.0-2.amzn2.aarch64

src:
    kernel-livepatch-5.10.130-118.517-1.0-2.amzn2.src

x86_64:
    kernel-livepatch-5.10.130-118.517-1.0-2.amzn2.x86_64
    kernel-livepatch-5.10.130-118.517-debuginfo-1.0-2.amzn2.x86_64