{"api_version":"1","generated_at":"2026-08-22T21:53:02+00:00","cve":"CVE-2026-74652","urls":{"html":"https://cve.report/CVE-2026-74652","api":"https://cve.report/api/cve/CVE-2026-74652.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74652","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74652"},"summary":{"title":"serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: amba-pl011: cancel RS485 hrtimers after freeing IRQ\n\nThe RS485 trigger hrtimers are embedded in the devm-managed port and can\nfire after it is freed. The IRQ handler can arm a timer, so free the IRQ\nfirst and then cancel both timers.\n\nComplete the RS485 stop without arming a timer, and cancel the timers\nin remove() for the suspend-then-unbind path, where shutdown is not\ncalled.\n\nThis issue was found by an in-house static analysis tool.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:38","updated_at":"2026-08-22 16:16:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/36672c8d7d14e9c43287528455d2c97b526ea6ad","name":"https://git.kernel.org/stable/c/36672c8d7d14e9c43287528455d2c97b526ea6ad","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e57f0aa5c35be37218ba0e4887b241584dd4b2d2","name":"https://git.kernel.org/stable/c/e57f0aa5c35be37218ba0e4887b241584dd4b2d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/759ead98a39fb625be302f9aa66290985dcaa325","name":"https://git.kernel.org/stable/c/759ead98a39fb625be302f9aa66290985dcaa325","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74652","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74652","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2c1fd53af21b8cb13878b054894d33d3383eb1f3 759ead98a39fb625be302f9aa66290985dcaa325 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2c1fd53af21b8cb13878b054894d33d3383eb1f3 e57f0aa5c35be37218ba0e4887b241584dd4b2d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2c1fd53af21b8cb13878b054894d33d3383eb1f3 36672c8d7d14e9c43287528455d2c97b526ea6ad git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/tty/serial/amba-pl011.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"759ead98a39fb625be302f9aa66290985dcaa325","status":"affected","version":"2c1fd53af21b8cb13878b054894d33d3383eb1f3","versionType":"git"},{"lessThan":"e57f0aa5c35be37218ba0e4887b241584dd4b2d2","status":"affected","version":"2c1fd53af21b8cb13878b054894d33d3383eb1f3","versionType":"git"},{"lessThan":"36672c8d7d14e9c43287528455d2c97b526ea6ad","status":"affected","version":"2c1fd53af21b8cb13878b054894d33d3383eb1f3","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/tty/serial/amba-pl011.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: amba-pl011: cancel RS485 hrtimers after freeing IRQ\n\nThe RS485 trigger hrtimers are embedded in the devm-managed port and can\nfire after it is freed. The IRQ handler can arm a timer, so free the IRQ\nfirst and then cancel both timers.\n\nComplete the RS485 stop without arming a timer, and cancel the timers\nin remove() for the suspend-then-unbind path, where shutdown is not\ncalled.\n\nThis issue was found by an in-house static analysis tool."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:32:27.799Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/759ead98a39fb625be302f9aa66290985dcaa325"},{"url":"https://git.kernel.org/stable/c/e57f0aa5c35be37218ba0e4887b241584dd4b2d2"},{"url":"https://git.kernel.org/stable/c/36672c8d7d14e9c43287528455d2c97b526ea6ad"}],"title":"serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74652","datePublished":"2026-08-22T15:32:27.799Z","dateReserved":"2026-08-15T05:44:03.923Z","dateUpdated":"2026-08-22T15:32:27.799Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:38","lastModifiedDate":"2026-08-22 16:16:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74652","Ordinal":"1","Title":"serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ","CVE":"CVE-2026-74652","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74652","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: amba-pl011: cancel RS485 hrtimers after freeing IRQ\n\nThe RS485 trigger hrtimers are embedded in the devm-managed port and can\nfire after it is freed. The IRQ handler can arm a timer, so free the IRQ\nfirst and then cancel both timers.\n\nComplete the RS485 stop without arming a timer, and cancel the timers\nin remove() for the suspend-then-unbind path, where shutdown is not\ncalled.\n\nThis issue was found by an in-house static analysis tool.","Type":"Description","Title":"serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ"}]}}}