{"api_version":"1","generated_at":"2026-09-23T00:05:46+00:00","cve":"CVE-2026-90431","urls":{"html":"https://cve.report/CVE-2026-90431","api":"https://cve.report/api/cve/CVE-2026-90431.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90431","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90431"},"summary":{"title":"remoteproc: Prevent crash handling to race with rproc_del()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: Prevent crash handling to race with rproc_del()\n\nThere's no synchronization between rproc_crash_handler_work() and\nrproc_del(), as such it's possible for a driver to be removed while\ncrash-handler work is scheduled, or even executing - resulting in\nuse-after-free issues.\n\nTo avoid this the scheduled work need to be cancelled and synchronized\nagainst before the removal proceeds.\n\nIn order to ensure that this doesn't race with the reporting, and\nthereby scheduling new work, a \"deleting\" flag is introduced. This is\nsimilar to the RPROC_DELETE state that was introduced to ensure that\n\"start\" didn't race with rproc_del(), but the existing mechanism can not\nbe used as it's valid to call rproc_report_crash() in atomic context -\nand the \"state\" is protected by a mutex.\n\nIn the event that work is cancelled the pm_stay_awake() is left\nunbalanced and need to be unrolled.\n\nThe blocking and cancelling of crash-handler work prior to the actual\nrproc_shutdown() call does have the explicit side-effect that crashes\nresulting from the shutdown process will not enter the crash-handling\npath, and as such will not generate devcoredumps etc. Due to the\nexisting mutual exclusion between these code paths there's no concrete\nreduction in functionality, but further work would be needed to handle\nthis case.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:48","updated_at":"2026-09-17 17:17:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/50f232c26298923d39a48dc8e03d1732e5a5dcf1","name":"https://git.kernel.org/stable/c/50f232c26298923d39a48dc8e03d1732e5a5dcf1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/47de033918cd772146f7438aa04471c020b2dedc","name":"https://git.kernel.org/stable/c/47de033918cd772146f7438aa04471c020b2dedc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/61862ed651b2493573e6d2192d5640bc6616f5d0","name":"https://git.kernel.org/stable/c/61862ed651b2493573e6d2192d5640bc6616f5d0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f15cde11298402f803d5dda9cb9f95eea3d2ca40","name":"https://git.kernel.org/stable/c/f15cde11298402f803d5dda9cb9f95eea3d2ca40","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/74ee3b2f5767447c57959994341e5b95f1079977","name":"https://git.kernel.org/stable/c/74ee3b2f5767447c57959994341e5b95f1079977","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a31d9562eeec5c4103c202fc87651f6e7d3d0035","name":"https://git.kernel.org/stable/c/a31d9562eeec5c4103c202fc87651f6e7d3d0035","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/69af36f1fb7d24d287662fef6b2093bcf847a9db","name":"https://git.kernel.org/stable/c/69af36f1fb7d24d287662fef6b2093bcf847a9db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a8a62cb4d2f3fd6aa06e86f1711c62d2a4cf17d5","name":"https://git.kernel.org/stable/c/a8a62cb4d2f3fd6aa06e86f1711c62d2a4cf17d5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90431","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90431","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8afd519c3470f685f964deebd61aa51d83cde90a 50f232c26298923d39a48dc8e03d1732e5a5dcf1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8afd519c3470f685f964deebd61aa51d83cde90a 69af36f1fb7d24d287662fef6b2093bcf847a9db git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8afd519c3470f685f964deebd61aa51d83cde90a a8a62cb4d2f3fd6aa06e86f1711c62d2a4cf17d5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8afd519c3470f685f964deebd61aa51d83cde90a 47de033918cd772146f7438aa04471c020b2dedc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"90431","cve":"CVE-2026-90431","epss":"0.002100000","percentile":"0.115810000","score_date":"2026-09-18","updated_at":"2026-09-19 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/remoteproc/remoteproc_core.c","drivers/remoteproc/remoteproc_sysfs.c","include/linux/remoteproc.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"50f232c26298923d39a48dc8e03d1732e5a5dcf1","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"69af36f1fb7d24d287662fef6b2093bcf847a9db","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"a8a62cb4d2f3fd6aa06e86f1711c62d2a4cf17d5","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"47de033918cd772146f7438aa04471c020b2dedc","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"a31d9562eeec5c4103c202fc87651f6e7d3d0035","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"f15cde11298402f803d5dda9cb9f95eea3d2ca40","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"61862ed651b2493573e6d2192d5640bc6616f5d0","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"},{"lessThan":"74ee3b2f5767447c57959994341e5b95f1079977","status":"affected","version":"8afd519c3470f685f964deebd61aa51d83cde90a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/remoteproc/remoteproc_core.c","drivers/remoteproc/remoteproc_sysfs.c","include/linux/remoteproc.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.7"},{"lessThan":"3.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"3.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: Prevent crash handling to race with rproc_del()\n\nThere's no synchronization between rproc_crash_handler_work() and\nrproc_del(), as such it's possible for a driver to be removed while\ncrash-handler work is scheduled, or even executing - resulting in\nuse-after-free issues.\n\nTo avoid this the scheduled work need to be cancelled and synchronized\nagainst before the removal proceeds.\n\nIn order to ensure that this doesn't race with the reporting, and\nthereby scheduling new work, a \"deleting\" flag is introduced. This is\nsimilar to the RPROC_DELETE state that was introduced to ensure that\n\"start\" didn't race with rproc_del(), but the existing mechanism can not\nbe used as it's valid to call rproc_report_crash() in atomic context -\nand the \"state\" is protected by a mutex.\n\nIn the event that work is cancelled the pm_stay_awake() is left\nunbalanced and need to be unrolled.\n\nThe blocking and cancelling of crash-handler work prior to the actual\nrproc_shutdown() call does have the explicit side-effect that crashes\nresulting from the shutdown process will not enter the crash-handling\npath, and as such will not generate devcoredumps etc. Due to the\nexisting mutual exclusion between these code paths there's no concrete\nreduction in functionality, but further work would be needed to handle\nthis case."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:09:51.759Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/50f232c26298923d39a48dc8e03d1732e5a5dcf1"},{"url":"https://git.kernel.org/stable/c/69af36f1fb7d24d287662fef6b2093bcf847a9db"},{"url":"https://git.kernel.org/stable/c/a8a62cb4d2f3fd6aa06e86f1711c62d2a4cf17d5"},{"url":"https://git.kernel.org/stable/c/47de033918cd772146f7438aa04471c020b2dedc"},{"url":"https://git.kernel.org/stable/c/a31d9562eeec5c4103c202fc87651f6e7d3d0035"},{"url":"https://git.kernel.org/stable/c/f15cde11298402f803d5dda9cb9f95eea3d2ca40"},{"url":"https://git.kernel.org/stable/c/61862ed651b2493573e6d2192d5640bc6616f5d0"},{"url":"https://git.kernel.org/stable/c/74ee3b2f5767447c57959994341e5b95f1079977"}],"title":"remoteproc: Prevent crash handling to race with rproc_del()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90431","datePublished":"2026-09-17T16:09:51.759Z","dateReserved":"2026-09-11T19:38:34.815Z","dateUpdated":"2026-09-17T16:09:51.759Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:48","lastModifiedDate":"2026-09-17 17:17:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90431","Ordinal":"1","Title":"remoteproc: Prevent crash handling to race with rproc_del()","CVE":"CVE-2026-90431","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90431","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: Prevent crash handling to race with rproc_del()\n\nThere's no synchronization between rproc_crash_handler_work() and\nrproc_del(), as such it's possible for a driver to be removed while\ncrash-handler work is scheduled, or even executing - resulting in\nuse-after-free issues.\n\nTo avoid this the scheduled work need to be cancelled and synchronized\nagainst before the removal proceeds.\n\nIn order to ensure that this doesn't race with the reporting, and\nthereby scheduling new work, a \"deleting\" flag is introduced. This is\nsimilar to the RPROC_DELETE state that was introduced to ensure that\n\"start\" didn't race with rproc_del(), but the existing mechanism can not\nbe used as it's valid to call rproc_report_crash() in atomic context -\nand the \"state\" is protected by a mutex.\n\nIn the event that work is cancelled the pm_stay_awake() is left\nunbalanced and need to be unrolled.\n\nThe blocking and cancelling of crash-handler work prior to the actual\nrproc_shutdown() call does have the explicit side-effect that crashes\nresulting from the shutdown process will not enter the crash-handling\npath, and as such will not generate devcoredumps etc. Due to the\nexisting mutual exclusion between these code paths there's no concrete\nreduction in functionality, but further work would be needed to handle\nthis case.","Type":"Description","Title":"remoteproc: Prevent crash handling to race with rproc_del()"}]}}}