CVE-2022-48434 (https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/cc867f2c09d2b69cee8a0eccd62aff002cbbfe11): https://news.ycombinator.com/item?id=35356201 https://wrv.github.io/h26forge.pdf libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/data/glsa.git/commit/?id=054115a94fa38350f4468052ec239cbacb5b8e26 commit 054115a94fa38350f4468052ec239cbacb5b8e26 Author: GLSAMaker <glsamaker@gentoo.org> AuthorDate: 2023-12-23 11:07:01 +0000 Commit: Hans de Graaff <graaff@gentoo.org> CommitDate: 2023-12-23 11:07:29 +0000 [ GLSA 202312-14 ] FFmpeg: Multiple Vulnerabilities Bug: https://bugs.gentoo.org/795696 Bug: https://bugs.gentoo.org/842267 Bug: https://bugs.gentoo.org/881523 Bug: https://bugs.gentoo.org/903805 Signed-off-by: GLSAMaker <glsamaker@gentoo.org> Signed-off-by: Hans de Graaff <graaff@gentoo.org> glsa-202312-14.xml | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+)
