{"id":"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.","modified":"2026-09-13T03:47:19.094412680Z","published":"2026-09-11T19:44:26.836Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89553.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e758a3111914af7ee4351be86f1ac0efe87ed06e"},{"fixed":"208867763843aa82efcbe3b771f1b8e6c7aa820a"},{"fixed":"ff110e85837d7ecd83f36078107be240ff5ae409"},{"fixed":"e60466011ac3a6b8045e6cc3c2cbb30d58039d2e"},{"fixed":"5e17160d41d92823f3379c1982e1369680c5ce4d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89553.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"6.12.109"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.50"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89553.json"}}],"schema_version":"1.9.0"}