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Affected Component
Analysis
xwayland
Exploitable
Name
CVE-2024-31083
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.8
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
xwayland (yocto:kirkstone)
#
Title
Author
Resolve
1
render: Avoid possible double-free in ProcRenderAddGlyphs()
Olivier Fourdan <ofourdan@redhat.com>
CVE-2024-31083
2
render: fix refcounting of glyphs during ProcRenderAddGlyphs
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2024-31083