{"id":"CVE-2026-43398","summary":"drm/amdgpu: add upper bound check on user inputs in wait ioctl","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: add upper bound check on user inputs in wait ioctl\n\nHuge input values in amdgpu_userq_wait_ioctl can lead to a OOM and\ncould be exploited.\n\nSo check these input value against AMDGPU_USERQ_MAX_HANDLES\nwhich is big enough value for genuine use cases and could\npotentially avoid OOM.\n\nv2: squash in Srini's fix\n\n(cherry picked from commit fcec012c664247531aed3e662f4280ff804d1476)","modified":"2026-07-15T01:49:21.961007057Z","published":"2026-05-08T14:21:40.895Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43398.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43398.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43398"},{"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":"a292fdecd72834b3bec380baa5db1e69e7f70679"},{"fixed":"b1d10508da559da2e0ca9cca6505094a7df948e1"},{"fixed":"3cd93bc695b3456f26f5ed52753d9071da26202a"},{"fixed":"64ac7c09fc44985ec9bb6a9db740899fa40ca613"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43398.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.18.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43398.json"}}],"schema_version":"1.7.5"}