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CVE-2024-56777: drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check

The return value of drm_atomic_get_crtc_state() needs to be
checked. To avoid use of error pointer 'crtc_state' in case
of the failure.

Classification

CVE ID: CVE-2024-56777

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 5.07% (scored less or equal to compared to others)

EPSS Date: 2025-02-06 (when was this score calculated)

References

https://git.kernel.org/stable/c/f5804567cf9605d6e5ec46c0bb786f7d50f18c13
https://git.kernel.org/stable/c/b79612ed6bc1a184c45427105c851b5b2d4342ca
https://git.kernel.org/stable/c/997b64c3f4c1827c5cfda8ae7f5d13f78d28b541
https://git.kernel.org/stable/c/3cf2e7c448e246f7e700c7aa47450d1e27579559
https://git.kernel.org/stable/c/e965e771b069421c233d674c3c8cd8c7f7245f42

Timeline