Linux Kernel DRM MSM a6xx NPE in preempt_prepare_postamble
CVE-2025-71124 Published on January 14, 2026
drm/msm/a6xx: move preempt_prepare_postamble after error check
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/a6xx: move preempt_prepare_postamble after error check
Move the call to preempt_prepare_postamble() after verifying that
preempt_postamble_ptr is valid. If preempt_postamble_ptr is NULL,
dereferencing it in preempt_prepare_postamble() would lead to a crash.
This change avoids calling the preparation function when the
postamble allocation has failed, preventing potential NULL pointer
dereference and ensuring proper error handling.
Patchwork: https://patchwork.freedesktop.org/patch/687659/
Products Associated with CVE-2025-71124
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Affected Versions
Linux:- Version 50117cad0c50410cff0d43a1141a562b1347e7c5 and below 2c46497eb148ec61909f4101b8443f3c4c2daaec is affected.
- Version 50117cad0c50410cff0d43a1141a562b1347e7c5 and below ef3b04091fd8bc737dc45312375df8625b8318e2 is affected.
- Version 6.13 is affected.
- Before 6.13 is unaffected.
- Version 6.18.3, <= 6.18.* is unaffected.
- Version 6.19, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.