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CVE-2023-52930

drm/i915: Fix potential bit_17 double-free PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential bit_17 double-free A userspace with multiple threads racing I915_GEM_SET_TILING to set the tiling to I915_TILING_NONE could trigger a double free of the bit_17 bitmask. (Or conversely leak memory on the transition to tiled.) Move allocation/free'ing of the bitmask within the section protected by the obj lock. [tursulin: Correct fixes tag and added cc stable.] (cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 2850748ef8763ab46958e43a4d1c445f29eeb37d before b591abac78e25269b12e3d7170c99463f8c5cb02; affected 2850748ef8763ab46958e43a4d1c445f29eeb37d before e3ebc3e23bd9028a8a9a26cbc5985f99be445f65; affected 2850748ef8763ab46958e43a4d1c445f29eeb37d before 0769f997a7b6d5cb8336db0b4ec3d2d311b8097c; affected 2850748ef8763ab46958e43a4d1c445f29eeb37d before 7057a8f126f14f14b040faecfa220fd27c6c2f85
Linux / Linuxaffected 5.5; unaffected 0 before 5.5; unaffected 5.10.168 through 5.10.*; unaffected 5.15.93 through 5.15.*; unaffected 6.1.11 through 6.1.*; unaffected 6.2 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.