{"id":"CVE-2022-50492","summary":"drm/msm: fix use-after-free on probe deferral","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: fix use-after-free on probe deferral\n\nThe bridge counter was never reset when tearing down the DRM device so\nthat stale pointers to deallocated structures would be accessed on the\nnext tear down (e.g. after a second late bind deferral).\n\nGiven enough bridges and a few probe deferrals this could currently also\nlead to data beyond the bridge array being corrupted.\n\nPatchwork: https://patchwork.freedesktop.org/patch/502665/","modified":"2026-04-02T08:28:33.150654Z","published":"2025-10-04T15:43:45.204Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4320-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50492.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0a30a47741b6df1f9555a0fac6aebb7e8c363bad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6808abdb33bf90330e70a687d29f038507e06ebb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50492.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50492"},{"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":"a3376e3ec81c5dd0622cbc187db76d2824d31c1c"},{"fixed":"0a30a47741b6df1f9555a0fac6aebb7e8c363bad"},{"fixed":"6808abdb33bf90330e70a687d29f038507e06ebb"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50492.json"}}],"schema_version":"1.7.5"}