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

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

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/26/2023
Created
03/22/2023
Added
03/17/2023
Modified
08/18/2023

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)

  • oracle-linux-upgrade-bpftool
  • oracle-linux-upgrade-kernel
  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-container
  • oracle-linux-upgrade-kernel-uek-container-debug
  • oracle-linux-upgrade-kernel-uek-core
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-core
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-debug-modules
  • oracle-linux-upgrade-kernel-uek-debug-modules-extra
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-modules
  • oracle-linux-upgrade-kernel-uek-modules-extra

References

  • ELSA-2023-1566
  • CVE-2023-0266

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