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Amazon Linux AMI 2: CVE-2023-6931: Security patch for kernel (Multiple Advisories)

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Amazon Linux AMI 2: CVE-2023-6931: Security patch for kernel (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
12/19/2023
Created
01/11/2024
Added
01/10/2024
Modified
01/30/2025

Description

A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.

Solution(s)

  • amazon-linux-ami-2-upgrade-bpftool
  • amazon-linux-ami-2-upgrade-bpftool-debuginfo
  • amazon-linux-ami-2-upgrade-kernel
  • amazon-linux-ami-2-upgrade-kernel-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64
  • amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64
  • amazon-linux-ami-2-upgrade-kernel-devel
  • amazon-linux-ami-2-upgrade-kernel-headers
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-336-255-557
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-205-194-804
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-205-195-804
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-145-94-156
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-145-95-156
  • amazon-linux-ami-2-upgrade-kernel-tools
  • amazon-linux-ami-2-upgrade-kernel-tools-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-tools-devel
  • amazon-linux-ami-2-upgrade-perf
  • amazon-linux-ami-2-upgrade-perf-debuginfo
  • amazon-linux-ami-2-upgrade-python-perf
  • amazon-linux-ami-2-upgrade-python-perf-debuginfo

References

  • https://attackerkb.com/topics/cve-2023-6931
  • AL2/ALAS-2024-2443
  • AL2/ALASKERNEL-5.10-2024-045
  • AL2/ALASKERNEL-5.10-2024-047
  • AL2/ALASKERNEL-5.15-2024-033
  • AL2/ALASKERNEL-5.15-2024-035
  • AL2/ALASKERNEL-5.4-2024-057
  • CVE - 2023-6931
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