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Gentoo Linux: CVE-2022-4283: X.Org X server, XWayland: Multiple Vulnerabilities

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Gentoo Linux: CVE-2022-4283: X.Org X server, XWayland: Multiple Vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/14/2022
Created
05/31/2023
Added
05/31/2023
Modified
05/31/2023

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)

  • gentoo-linux-upgrade-x11-base-xorg-server
  • gentoo-linux-upgrade-x11-base-xwayland

References

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