{"id":"CVE-2026-43370","summary":"drm/amdgpu: Fix use-after-free race in VM acquire","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix use-after-free race in VM acquire\n\nReplace non-atomic vm-\u003eprocess_info assignment with cmpxchg()\nto prevent race when parent/child processes sharing a drm_file\nboth try to acquire the same VM after fork().\n\n(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)","modified":"2026-07-22T18:22:35.767981553Z","published":"2026-05-08T14:21:21.926Z","related":["SUSE-SU-2026:3130-1","SUSE-SU-2026:3166-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43370.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249"},{"type":"WEB","url":"https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43370.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43370"},{"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":"ede0dd86f45adf2b7083bb161f6bc81da5fe2bad"},{"fixed":"ae87aea330c24f462fc7058ed543ba8bc6798447"},{"fixed":"46d309996bd9251792d7dafdbaf615cf202b4447"},{"fixed":"e61e355cbe49e585097eee28c15b862bfb1c0668"},{"fixed":"c658c1c85ec235b7ecfbf8dbfee385b1332088f4"},{"fixed":"904025fa8bba1d028adade33346372b4ac1a9249"},{"fixed":"7885eb335d8f9e9942925d57e300a85e3f82ded4"},{"fixed":"94b7782d0c8024f5b88454241c8d4777076c3786"},{"fixed":"2c1030f2e84885cc58bffef6af67d5b9d2e7098f"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43370.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.17.0"},{"fixed":"5.10.253"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.203"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.167"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.130"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.78"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43370.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"}]}