{"id":"CVE-2026-97422","state":"PUBLISHED","title":"drm/amdkfd: fix SMI event cross-process information leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix SMI event cross-process information leak\n\nkfd_smi_ev_enabled() skips the suser privilege check when pid=0.\nPROCESS_START, PROCESS_END, and VMFAULT events are emitted with\npid=0 while carrying another process's PID and command name, so any\n/dev/kfd user in the render group can monitor all GPU workloads.\n\nPass the target process PID into kfd_smi_event_add() for these events\nso the existing per-client filter restricts delivery to the owning\nprocess or CAP_SYS_ADMIN subscribers.","publishedAt":"2026-09-24T16:03:32.463Z","updatedAt":"2026-10-30T12:36:55.282Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"b8151aeb4f34e913315058c192f78fea2223f36a","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"470319a893f616ef661a63e825a8e1b9b6eddb91","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"5bb2dfa65d8da83e87b2a31c270bc567df69a5ca","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"92a8dba246d371fe268280e5fd74b0955688e6df","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c"]}],"references":["https://git.kernel.org/stable/c/b8151aeb4f34e913315058c192f78fea2223f36a","https://git.kernel.org/stable/c/6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a","https://git.kernel.org/stable/c/470319a893f616ef661a63e825a8e1b9b6eddb91","https://git.kernel.org/stable/c/5bb2dfa65d8da83e87b2a31c270bc567df69a5ca","https://git.kernel.org/stable/c/92a8dba246d371fe268280e5fd74b0955688e6df"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97422.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97422","state":"PUBLISHED","datePublished":"2026-09-24T16:03:32.463Z","dateUpdated":"2026-10-30T12:36:55.282Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T14:53:16.868Z"},"containers":{"cna":{"title":"drm/amdkfd: fix SMI event cross-process information leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix SMI event cross-process information leak\n\nkfd_smi_ev_enabled() skips the suser privilege check when pid=0.\nPROCESS_START, PROCESS_END, and VMFAULT events are emitted with\npid=0 while carrying another process's PID and command name, so any\n/dev/kfd user in the render group can monitor all GPU workloads.\n\nPass the target process PID into kfd_smi_event_add() for these events\nso the existing per-client filter restricts delivery to the owning\nprocess or CAP_SYS_ADMIN subscribers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"b8151aeb4f34e913315058c192f78fea2223f36a","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"470319a893f616ef661a63e825a8e1b9b6eddb91","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"5bb2dfa65d8da83e87b2a31c270bc567df69a5ca","versionType":"git"},{"version":"938a0650aae6275ba8e924685836bdee2c6aa3db","status":"affected","lessThan":"92a8dba246d371fe268280e5fd74b0955688e6df","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b8151aeb4f34e913315058c192f78fea2223f36a"},{"url":"https://git.kernel.org/stable/c/6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a"},{"url":"https://git.kernel.org/stable/c/470319a893f616ef661a63e825a8e1b9b6eddb91"},{"url":"https://git.kernel.org/stable/c/5bb2dfa65d8da83e87b2a31c270bc567df69a5ca"},{"url":"https://git.kernel.org/stable/c/92a8dba246d371fe268280e5fd74b0955688e6df"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:55.282Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}