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CVE-2023-52930

drm/i915: Fix potential bit_17 double-free

HIGH
7.8
CVSS Score
Published: March 27, 2025 at 04:37 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.11 ≤ v < 5.15.935.16 ≤ v < 6.1.115.5 ≤ v < 5.10.1685.5 ≤ v < 5.15.935.5 ≤ v < 6.1.115.5 ≤ v < 6.22850748ef8763ab46958e43a4d1c445f29eeb37d6.2 rc16.2 rc26.2 rc36.2 rc46.2 rc56.2 rc6
Vendor states this is fixed in 0769f997a7b6d5cb8336db0b4ec3d2d311b8097c (fixed)
Vendor states this is fixed in 7057a8f126f14f14b040faecfa220fd27c6c2f85 (fixed)
Vendor states this is fixed in b591abac78e25269b12e3d7170c99463f8c5cb02 (fixed)
Vendor states this is fixed in e3ebc3e23bd9028a8a9a26cbc5985f99be445f65 (fixed)
Vendor states this is fixed in 5.10.168 (unaffected)
Vendor states this is fixed in 5.15.93 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)
Vendor states this is fixed in 6.1.11 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-415

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