CVE-2022-50526: drm/msm/dp: fix memory corruption with too many bridges

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: 2025-10-07 · updated 2026-06-17
Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: fix memory corruption with too many bridges Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Patchwork: https://patchwork.freedesktop.org/patch/502664/

Affected products

Linux kernel: from 5.17 before 6.0.7; 6.1-rc1, 6.1-rc2 — fixed in 6.0.7

How to fix

Upgrade to a fixed version: Linux kernel 6.0.7. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/74466e46e7543c7f74f1502181e9ba93f7521374
https://git.kernel.org/stable/c/b312fcab461bd9484c61409007a6fe059f9c2074

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