Double Free in Linux
CVE-2023-52930
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)
Vulnerability class: Double Free
EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 2850748ef8763ab46958e43a4d1c445f29eeb37d, 5.5, 0
- Linux Linux_kernel — versions 6.2
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-52930?
- CVE-2023-52930 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2025-03-27.
- How severe is CVE-2023-52930?
- High severity. CVSS v3 base score is 7.8 out of 10.