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Debian: CVE-2024-31083: xorg-server, xwayland -- security update

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Debian: CVE-2024-31083: xorg-server, xwayland -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/05/2024
Created
04/15/2024
Added
04/15/2024
Modified
04/15/2024

Description

A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently, ProcRenderAddGlyphs() may free a glyph, leading to a use-after-free scenario when the same glyph pointer is subsequently accessed. This flaw allows an authenticated attacker to execute arbitrary code on the system by sending a specially crafted request.

Solution(s)

  • debian-upgrade-xorg-server
  • debian-upgrade-xwayland

References

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