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CentOS Linux: CVE-2023-0266: Important: kernel-rt security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2023-0266: Important: kernel-rt security and bug fix update (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/30/2023
Created
03/28/2023
Added
03/28/2023
Modified
05/25/2023

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)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt
  • centos-upgrade-kpatch-patch-4_18_0-425_10_1
  • centos-upgrade-kpatch-patch-4_18_0-425_10_1-debuginfo
  • centos-upgrade-kpatch-patch-4_18_0-425_10_1-debugsource
  • centos-upgrade-kpatch-patch-4_18_0-425_13_1
  • centos-upgrade-kpatch-patch-4_18_0-425_13_1-debuginfo
  • centos-upgrade-kpatch-patch-4_18_0-425_13_1-debugsource
  • centos-upgrade-kpatch-patch-4_18_0-425_3_1
  • centos-upgrade-kpatch-patch-4_18_0-425_3_1-debuginfo
  • centos-upgrade-kpatch-patch-4_18_0-425_3_1-debugsource
  • centos-upgrade-kpatch-patch-5_14_0-162_12_1
  • centos-upgrade-kpatch-patch-5_14_0-162_12_1-debuginfo
  • centos-upgrade-kpatch-patch-5_14_0-162_12_1-debugsource
  • centos-upgrade-kpatch-patch-5_14_0-162_18_1
  • centos-upgrade-kpatch-patch-5_14_0-162_18_1-debuginfo
  • centos-upgrade-kpatch-patch-5_14_0-162_18_1-debugsource
  • centos-upgrade-kpatch-patch-5_14_0-162_6_1
  • centos-upgrade-kpatch-patch-5_14_0-162_6_1-debuginfo
  • centos-upgrade-kpatch-patch-5_14_0-162_6_1-debugsource

References

  • CVE-2023-0266

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