{"id":"CVE-2022-48899","summary":"drm/virtio: Fix GEM handle creation UAF","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/virtio: Fix GEM handle creation UAF\n\nUserspace can guess the handle value and try to race GEM object creation\nwith handle close, resulting in a use-after-free if we dereference the\nobject after dropping the handle's reference.  For that reason, dropping\nthe handle's reference must be done *after* we are done dereferencing\nthe object.","modified":"2026-04-11T12:43:14.075151Z","published":"2024-08-21T06:10:31.936Z","related":["SUSE-SU-2024:3189-1","SUSE-SU-2024:3190-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3227-1","SUSE-SU-2024:3251-1","SUSE-SU-2024:3252-1","SUSE-SU-2024:3408-1","SUSE-SU-2024:3483-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48899.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/011ecdbcd520c90c344b872ca6b4821f7783b2f8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/19ec87d06acfab2313ee82b2a689bf0c154e57ea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/52531258318ed59a2dc5a43df2eaf0eb1d65438e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/68bcd063857075d2f9edfed6024387ac377923e2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/adc48e5e408afbb01d261bd303fd9fbbbaa3e317"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d01d6d2b06c0d8390adf8f3ba08aa60b5642ef73"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48899.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48899"},{"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":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257"},{"fixed":"19ec87d06acfab2313ee82b2a689bf0c154e57ea"},{"fixed":"d01d6d2b06c0d8390adf8f3ba08aa60b5642ef73"},{"fixed":"68bcd063857075d2f9edfed6024387ac377923e2"},{"fixed":"011ecdbcd520c90c344b872ca6b4821f7783b2f8"},{"fixed":"adc48e5e408afbb01d261bd303fd9fbbbaa3e317"},{"fixed":"52531258318ed59a2dc5a43df2eaf0eb1d65438e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48899.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.19.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.229"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.164"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.89"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48899.json"}}],"schema_version":"1.7.5"}