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Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix NULL ptr deref by checking new_crtc_state intel_atomic_get_new_crtc_state can return NULL, unless crtc state wasn't obtained previously with intel_atomic_get_crtc_state, so we must check it for NULLness here, just as in many other places, where we can't guarantee that intel_atomic_get_crtc_state was called. We are currently getting NULL ptr deref because of that, so this fix was confirmed to help. (cherry picked from commit 1d5b09f8daf859247a1ea65b0d732a24d88980d8)

PUBLISHED Reserved 2025-12-09 | Published 2025-12-09 | Updated 2025-12-09 | Assigner Linux

Product status

Default status
unaffected

74a75dc908692dd0548209004e53832c02433c0c (git) before dbf25cc21beff4fd2e730573845a266504b21bb2
affected

74a75dc908692dd0548209004e53832c02433c0c (git) before 8b3c0d2d1685ba40b0af4ee1f8d8824a73870f88
affected

74a75dc908692dd0548209004e53832c02433c0c (git) before a41d985902c153c31c616fe183cf2ee331e95ecb
affected

Default status
affected

5.16
affected

Any version before 5.16
unaffected

6.1.30 (semver)
unaffected

6.3.4 (semver)
unaffected

6.4 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/dbf25cc21beff4fd2e730573845a266504b21bb2

git.kernel.org/...c/8b3c0d2d1685ba40b0af4ee1f8d8824a73870f88

git.kernel.org/...c/a41d985902c153c31c616fe183cf2ee331e95ecb

cve.org (CVE-2023-53833)

nvd.nist.gov (CVE-2023-53833)

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