{"id":"CVE-2026-93058","state":"PUBLISHED","title":"drm/msm: Only fini scheduler after successful init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Only fini scheduler after successful init\n\nmsm_ringbuffer_new() destroys a partially initialized ring through\nmsm_ringbuffer_destroy() when an allocation or scheduler setup step\nfails.\n\nIf drm_sched_init() fails before it finishes initializing the scheduler,\nthe failure path still calls drm_sched_fini(). That teardown path assumes\nthe scheduler work items, lists, and workqueue state were initialized.\n\nTrack successful scheduler initialization and call drm_sched_fini() only\nafter drm_sched_init() returned 0.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review.\n\nPatchwork: https://patchwork.freedesktop.org/patch/738905/","publishedAt":"2026-09-17T16:10:45.793Z","updatedAt":"2026-10-30T12:35:47.517Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"20ea0ae8e90702acca83467207db4c9bd8c8bd03","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"bd2a5a876904eaf688a093cd73986abc3571f26b","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"aafc9258efeec98fcb7e3998356b4b25bf1ad159","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"d43e1bbfd43458b9242806eec77ea3b032134baf","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"09b360eb6ce345996a30fad8c86e9df80f41cd7e","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"e2332abed2a4d3caa59052095dc16e4ce44791ea","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/msm_ringbuffer.c","drivers/gpu/drm/msm/msm_ringbuffer.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","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":"6.18.52","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_ringbuffer.c","drivers/gpu/drm/msm/msm_ringbuffer.h"]}],"references":["https://git.kernel.org/stable/c/20ea0ae8e90702acca83467207db4c9bd8c8bd03","https://git.kernel.org/stable/c/bd2a5a876904eaf688a093cd73986abc3571f26b","https://git.kernel.org/stable/c/aafc9258efeec98fcb7e3998356b4b25bf1ad159","https://git.kernel.org/stable/c/d43e1bbfd43458b9242806eec77ea3b032134baf","https://git.kernel.org/stable/c/09b360eb6ce345996a30fad8c86e9df80f41cd7e","https://git.kernel.org/stable/c/e2332abed2a4d3caa59052095dc16e4ce44791ea"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93058.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93058","state":"PUBLISHED","datePublished":"2026-09-17T16:10:45.793Z","dateUpdated":"2026-10-30T12:35:47.517Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T15:57:05.659Z"},"containers":{"cna":{"title":"drm/msm: Only fini scheduler after successful init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Only fini scheduler after successful init\n\nmsm_ringbuffer_new() destroys a partially initialized ring through\nmsm_ringbuffer_destroy() when an allocation or scheduler setup step\nfails.\n\nIf drm_sched_init() fails before it finishes initializing the scheduler,\nthe failure path still calls drm_sched_fini(). That teardown path assumes\nthe scheduler work items, lists, and workqueue state were initialized.\n\nTrack successful scheduler initialization and call drm_sched_fini() only\nafter drm_sched_init() returned 0.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review.\n\nPatchwork: https://patchwork.freedesktop.org/patch/738905/"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"20ea0ae8e90702acca83467207db4c9bd8c8bd03","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"bd2a5a876904eaf688a093cd73986abc3571f26b","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"aafc9258efeec98fcb7e3998356b4b25bf1ad159","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"d43e1bbfd43458b9242806eec77ea3b032134baf","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"09b360eb6ce345996a30fad8c86e9df80f41cd7e","versionType":"git"},{"version":"1d8a5ca436ee4a28eec14cb813f790f7cdeeee19","status":"affected","lessThan":"e2332abed2a4d3caa59052095dc16e4ce44791ea","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/msm_ringbuffer.c","drivers/gpu/drm/msm/msm_ringbuffer.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","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":"6.18.52","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_ringbuffer.c","drivers/gpu/drm/msm/msm_ringbuffer.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/20ea0ae8e90702acca83467207db4c9bd8c8bd03"},{"url":"https://git.kernel.org/stable/c/bd2a5a876904eaf688a093cd73986abc3571f26b"},{"url":"https://git.kernel.org/stable/c/aafc9258efeec98fcb7e3998356b4b25bf1ad159"},{"url":"https://git.kernel.org/stable/c/d43e1bbfd43458b9242806eec77ea3b032134baf"},{"url":"https://git.kernel.org/stable/c/09b360eb6ce345996a30fad8c86e9df80f41cd7e"},{"url":"https://git.kernel.org/stable/c/e2332abed2a4d3caa59052095dc16e4ce44791ea"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:35:47.517Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}