CVE-2024-50291: media: dvb-core: add missing buffer index check

Severity: medium (CVSS 5.5 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: 2024-11-19 · updated 2026-08-04
Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: add missing buffer index check dvb_vb2_expbuf() didn't check if the given buffer index was for a valid buffer. Add this check.

Affected products

Linux kernel: from 6.8 before 6.11.8; 6.12-rc1, 6.12-rc2, 6.12-rc3, 6.12-rc4, 6.12-rc5, 6.12-rc6 — fixed in 6.11.8

How to fix

Upgrade to a fixed version: Linux kernel 6.11.8. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/721c37af0355cc0b540909c57fd7930dc99c72d8
https://git.kernel.org/stable/c/fa88dc7db176c79b50adb132a56120a1d4d9d18b

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