CVE-2024-31083
Xorg-x11-server: use-after-free in procrenderaddglyphs
概要
Xorg-x11-server: use-after-free in procrenderaddglyphs
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
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.
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2024-31083 xorg-server 修正版: 2:1.20.11-1+deb11u13
参照URL
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