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Alma Linux: CVE-2023-0266: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

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Alma Linux: CVE-2023-0266: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
01/30/2023
Created
03/28/2023
Added
03/28/2023
Modified
01/28/2025

Description

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e

Solution(s)

  • alma-upgrade-bpftool
  • alma-upgrade-kernel
  • alma-upgrade-kernel-abi-stablelists
  • alma-upgrade-kernel-core
  • alma-upgrade-kernel-cross-headers
  • alma-upgrade-kernel-debug
  • alma-upgrade-kernel-debug-core
  • alma-upgrade-kernel-debug-devel
  • alma-upgrade-kernel-debug-devel-matched
  • alma-upgrade-kernel-debug-modules
  • alma-upgrade-kernel-debug-modules-extra
  • alma-upgrade-kernel-devel
  • alma-upgrade-kernel-devel-matched
  • alma-upgrade-kernel-doc
  • alma-upgrade-kernel-modules
  • alma-upgrade-kernel-modules-extra
  • alma-upgrade-kernel-rt
  • alma-upgrade-kernel-rt-core
  • alma-upgrade-kernel-rt-debug
  • alma-upgrade-kernel-rt-debug-core
  • alma-upgrade-kernel-rt-debug-devel
  • alma-upgrade-kernel-rt-debug-kvm
  • alma-upgrade-kernel-rt-debug-modules
  • alma-upgrade-kernel-rt-debug-modules-extra
  • alma-upgrade-kernel-rt-devel
  • alma-upgrade-kernel-rt-kvm
  • alma-upgrade-kernel-rt-modules
  • alma-upgrade-kernel-rt-modules-extra
  • alma-upgrade-kernel-tools
  • alma-upgrade-kernel-tools-libs
  • alma-upgrade-kernel-tools-libs-devel
  • alma-upgrade-kernel-zfcpdump
  • alma-upgrade-kernel-zfcpdump-core
  • alma-upgrade-kernel-zfcpdump-devel
  • alma-upgrade-kernel-zfcpdump-devel-matched
  • alma-upgrade-kernel-zfcpdump-modules
  • alma-upgrade-kernel-zfcpdump-modules-extra
  • alma-upgrade-perf
  • alma-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2023-0266
  • CVE - 2023-0266
  • https://errata.almalinux.org/8/ALSA-2023-1566.html
  • https://errata.almalinux.org/8/ALSA-2023-1584.html
  • https://errata.almalinux.org/9/ALSA-2023-1469.html
  • https://errata.almalinux.org/9/ALSA-2023-1470.html
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