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Amazon Linux AMI 2: CVE-2023-6932: Security patch for kernel, kernel-livepatch-4.14.327-246.539, kernel-livepatch-4.14.328-248.540, kernel-livepatch-4.14.330-250.540, kernel-livepatch-5.10.201-191.748 (Multiple Advisories)

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Amazon Linux AMI 2: CVE-2023-6932: Security patch for kernel, kernel-livepatch-4.14.327-246.539, kernel-livepatch-4.14.328-248.540, kernel-livepatch-4.14.330-250.540, kernel-livepatch-5.10.201-191.748 (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/19/2023
Created
01/11/2024
Added
01/10/2024
Modified
03/06/2024

Description

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.

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-4-14-327-246-539
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-327-246-539-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-328-248-540
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-328-248-540-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-330-250-540
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-330-250-540-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-334-252-552
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-201-191-748
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-201-191-748-debuginfo
  • 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-2023-6932
  • AL2/ALAS-2024-2391
  • 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
  • AL2/ALASLIVEPATCH-2024-161
  • AL2/ALASLIVEPATCH-2024-162
  • AL2/ALASLIVEPATCH-2024-163
  • AL2/ALASLIVEPATCH-2024-167
  • CVE - 2023-6932
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