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Alma Linux: CVE-2023-0597: Important: kernel security, bug fix, and enhancement update (ALSA-2023-7077)

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Alma Linux: CVE-2023-0597: Important: kernel security, bug fix, and enhancement update (ALSA-2023-7077)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
02/23/2023
Created
11/29/2023
Added
11/28/2023
Modified
01/28/2025

Description

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

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-modules
  • alma-upgrade-kernel-debug-modules-extra
  • alma-upgrade-kernel-devel
  • alma-upgrade-kernel-doc
  • alma-upgrade-kernel-headers
  • alma-upgrade-kernel-modules
  • alma-upgrade-kernel-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-modules
  • alma-upgrade-kernel-zfcpdump-modules-extra
  • alma-upgrade-perf
  • alma-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2023-0597
  • CVE - 2023-0597
  • https://errata.almalinux.org/8/ALSA-2023-7077.html
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