{"id":"CVE-2023-52930","summary":"drm/i915: Fix potential bit_17 double-free","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Fix potential bit_17 double-free\n\nA userspace with multiple threads racing I915_GEM_SET_TILING to set the\ntiling to I915_TILING_NONE could trigger a double free of the bit_17\nbitmask.  (Or conversely leak memory on the transition to tiled.)  Move\nallocation/free'ing of the bitmask within the section protected by the\nobj lock.\n\n[tursulin: Correct fixes tag and added cc stable.]\n(cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)","modified":"2026-04-02T09:43:29.717987Z","published":"2025-03-27T16:37:12.302Z","related":["SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1195-1","SUSE-SU-2025:1241-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52930.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52930.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52930"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2850748ef8763ab46958e43a4d1c445f29eeb37d"},{"fixed":"b591abac78e25269b12e3d7170c99463f8c5cb02"},{"fixed":"e3ebc3e23bd9028a8a9a26cbc5985f99be445f65"},{"fixed":"0769f997a7b6d5cb8336db0b4ec3d2d311b8097c"},{"fixed":"7057a8f126f14f14b040faecfa220fd27c6c2f85"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52930.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}