{"id":"CVE-2026-74652","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74652","summary":"serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ","details":"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.","published":"2026-08-22T15:32:27.799Z","modified":"2026-08-24T11:47:20.408163601Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.18.45"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/36672c8d7d14e9c43287528455d2c97b526ea6ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/759ead98a39fb625be302f9aa66290985dcaa325"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e57f0aa5c35be37218ba0e4887b241584dd4b2d2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74652.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74652"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-24T11:47:20.408163601Z"}}