CVE-2023-52930

drm/i915: Fix potential bit_17 double-free

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)

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02 patch
https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65 patch
https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c patch
https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85 patch

Frequently Asked Questions

What is the severity of CVE-2023-52930?
CVE-2023-52930 has been scored as a high severity vulnerability.
How to fix CVE-2023-52930?
To fix CVE-2023-52930, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52930 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52930 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52930?
CVE-2023-52930 affects Linux Linux, Linux Linux.
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