CVE-2025-22098: drm: zynqmp_dp: Fix a deadlock in zynqmp_dp_ignore_hpd_set()

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: 2025-04-16 · updated 2026-06-17
Weakness: CWE-667

Description

In the Linux kernel, the following vulnerability has been resolved: drm: zynqmp_dp: Fix a deadlock in zynqmp_dp_ignore_hpd_set() Instead of attempting the same mutex twice, lock and unlock it. This bug has been detected by the Clang thread-safety analyzer.

Affected products

Linux kernel: from 6.13 before 6.13.11; from 6.14 before 6.14.2 — fixed in 6.13.11, 6.14.2

How to fix

Upgrade to a fixed version: Linux kernel 6.13.11, 6.14.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/3f988cd2f65175e79349961a43a9deb115174784
https://git.kernel.org/stable/c/7a8d53aa5b7d2a89cda598239d08423bd66920f1
https://git.kernel.org/stable/c/f887685ee0eb4ef716391355568181230338f6eb

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