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Amazon Linux AMI: CVE-2022-4283: Security patch for xorg-x11-server (ALAS-2023-1689)

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Amazon Linux AMI: CVE-2022-4283: Security patch for xorg-x11-server (ALAS-2023-1689)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/14/2022
Created
02/24/2023
Added
02/23/2023
Modified
02/23/2023

Description

A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

Solution(s)

  • amazon-linux-upgrade-xorg-x11-server

References

  • ALAS-2023-1689
  • CVE-2022-4283
  • USN-5778-1

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