CVE-2024-49990: drm/xe/hdcp: Check GSC structure validity

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: 2024-10-21 · updated 2026-06-17
Weakness: CWE-908

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hdcp: Check GSC structure validity Sometimes xe_gsc is not initialized when checked at HDCP capability check. Add gsc structure check to avoid null pointer error.

Affected products

Linux kernel: before 6.10.14; from 6.11 before 6.11.3 — fixed in 6.10.14, 6.11.3

How to fix

Upgrade to a fixed version: Linux kernel 6.10.14, 6.11.3. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/7266a424b1e502745170322e3c27f697d12de627
https://git.kernel.org/stable/c/b4224f6bae3801d589f815672ec62800a1501b0d
https://git.kernel.org/stable/c/c940627857eedca8407b84b40ceb4252b100d291

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