{"id":"CVE-2026-93059","state":"PUBLISHED","title":"drm/msm: Fix task_struct reference leak in recover_worker","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Fix task_struct reference leak in recover_worker\n\nget_pid_task() increments the task reference count, but the\ncorresponding put_task_struct() was missing in the else branch,\nleaking a reference on every GPU hang recovery.\n\nPatchwork: https://patchwork.freedesktop.org/patch/730662/","publishedAt":"2026-09-17T16:10:46.457Z","updatedAt":"2026-10-19T09:04:55.257Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"6c472fde2c8096e16bb46b0605adda2488f300c0","versionType":"git"},{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"d684f756d029d81db1cd64cd9645556e53fcc784","versionType":"git"},{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"40b793714ad8f393ab3d469f9d00b20ebda46257","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/msm_gpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/msm/msm_gpu.c"]}],"references":["https://git.kernel.org/stable/c/6c472fde2c8096e16bb46b0605adda2488f300c0","https://git.kernel.org/stable/c/d684f756d029d81db1cd64cd9645556e53fcc784","https://git.kernel.org/stable/c/40b793714ad8f393ab3d469f9d00b20ebda46257"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93059.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93059","state":"PUBLISHED","datePublished":"2026-09-17T16:10:46.457Z","dateUpdated":"2026-10-19T09:04:55.257Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T15:57:05.659Z"},"containers":{"cna":{"title":"drm/msm: Fix task_struct reference leak in recover_worker","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Fix task_struct reference leak in recover_worker\n\nget_pid_task() increments the task reference count, but the\ncorresponding put_task_struct() was missing in the else branch,\nleaking a reference on every GPU hang recovery.\n\nPatchwork: https://patchwork.freedesktop.org/patch/730662/"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"6c472fde2c8096e16bb46b0605adda2488f300c0","versionType":"git"},{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"d684f756d029d81db1cd64cd9645556e53fcc784","versionType":"git"},{"version":"25654a1756a4ace072404e89882d7ba8391900bd","status":"affected","lessThan":"40b793714ad8f393ab3d469f9d00b20ebda46257","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/msm_gpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/msm/msm_gpu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6c472fde2c8096e16bb46b0605adda2488f300c0"},{"url":"https://git.kernel.org/stable/c/d684f756d029d81db1cd64cd9645556e53fcc784"},{"url":"https://git.kernel.org/stable/c/40b793714ad8f393ab3d469f9d00b20ebda46257"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:04:55.257Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}