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CVE-2024-42313: media: venus: fix use after free in vdec_close

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-17 · updated 2026-08-04
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: media: venus: fix use after free in vdec_close There appears to be a possible use after free with vdec_close(). The firmware will add buffer release work to the work queue through HFI callbacks as a normal part of decoding. Randomly closing the decoder device from userspace during normal decoding can incur a read after free for inst. Fix it by cancelling the work in vdec_close.

Affected products

• Linux kernel: from 4.13 before 4.19.320; from 4.20 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.103; from 6.2 before 6.6.44 — fixed in 4.19.320, 5.10.224, 5.15.165, 5.4.282, 6.1.103, 6.10.3

How to fix

Upgrade to a fixed version: Linux kernel 4.19.320, 5.10.224, 5.15.165, 5.4.282. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4c9d235630d35db762b85a4149bbb0be9d504c36
• https://git.kernel.org/stable/c/66fa52edd32cdbb675f0803b3c4da10ea19b6635
• https://git.kernel.org/stable/c/6a96041659e834dc0b172dda4b2df512d63920c2
• https://git.kernel.org/stable/c/72aff311194c8ceda934f24fd6f250b8827d7567
• https://git.kernel.org/stable/c/a0157b5aa34eb43ec4c5510f9c260bbb03be937e
• https://git.kernel.org/stable/c/ad8cf035baf29467158e0550c7a42b7bb43d1db6
• https://git.kernel.org/stable/c/da55685247f409bf7f976cc66ba2104df75d8dad
• https://git.kernel.org/stable/c/f8e9a63b982a8345470c225679af4ba86e4a7282
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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