{"id":"CVE-2026-89553","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89553","summary":"nouveau/gem: reserve the bo in the info ioctl around the vma lookup","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnouveau/gem: reserve the bo in the info ioctl around the vma lookup\n\nIn the non-uvmm path, there could be a race between the info lookup\nfinding the vma, and the gem close path closing the vma leading\nto a use-after-free.\n\nSpotted with the help of Opus 4.6.","published":"2026-09-11T19:44:26.836Z","modified":"2026-09-14T03:46:12.766612737Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.12.109"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89553.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89553"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-14T03:46:12.766612737Z"}}