CVE-2024-40924

drm/i915/dpt: Make DPT object unshrinkable

EPSS 0.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Jul 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dpt: Make DPT object unshrinkable In some scenarios, the DPT object gets shrunk but the actual framebuffer did not and thus its still there on the DPT's vm->bound_list. Then it tries to rewrite the PTEs via a stale CPU mapping. This causes panic. [vsyrjala: Add TODO comment] (cherry picked from commit 51064d471c53dcc8eddd2333c3f1c1d9131ba36c)

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/327280149066f0e5f2e50356b5823f76dabfe86e https://git.kernel.org/stable/c/43e2b37e2ab660c3565d4cff27922bc70e79c3f1 https://git.kernel.org/stable/c/7a9883be3b98673333eec65c4a21cc18e60292eb https://git.kernel.org/stable/c/a2552020fb714ff357182c3c179abfac2289f84d https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html