CVE-2023-52930

high

Description

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)

References

https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65

https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02

https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85

https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c

Details

Source: Mitre, NVD

Published: 2025-03-27

Updated: 2025-04-15

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High