{"id":"CVE-2026-89469","title":"kernel: power: supply: lp8727: fix use-after-free in lp8727_release_irq() (CVE-2026-89469)","summary":"A flaw was found in the Linux kernel's lp8727 power supply driver. A race condition can occur during the release of an interrupt request (IRQ), where a delayed work item might be re-armed after the associated memory has been freed. This ca…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-825","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["enterprise_linux 10","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-18","sourceUpdated":"2026-09-18T21:10:50+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89469.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89469.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89469"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532173"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89469"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89469"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89469.mbox"},{"url":"https://git.kernel.org/stable/c/1321a4e6247164312eabc6d07f88572da2ee308c"},{"url":"https://git.kernel.org/stable/c/dc1dc2837f8e53bde2f16d52a63f4142e21757f1"},{"url":"https://git.kernel.org/stable/c/035cc6bc4d412dd4302862e8f859b784fcd4653b"},{"url":"https://git.kernel.org/stable/c/6f0ce09d60a0e4fab6f9ebe8294750481f0c19dd"},{"url":"https://git.kernel.org/stable/c/80d4e40a85ba524e66c8c748aa7bb19eaf2f69df"},{"url":"https://git.kernel.org/stable/c/ab6b1ad710bed7931540733ce145493fece8ceef"},{"url":"https://git.kernel.org/stable/c/6ab3128292df67295de1b2a86f21d89cf6612a7e"},{"url":"https://git.kernel.org/stable/c/ceb6ac43b0f591722401922ceb958ce2616935e0"}],"tags":["csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.0014,"epssPercentile":0.03692,"scores":{"vendor":5.5,"cna":8.4},"ingestedAt":"2026-09-14T15:23:07.453Z","slug":"CVE-2026-89469","body":"## Overview\n\nA flaw was found in the Linux kernel's lp8727 power supply driver. A race condition can occur during the release of an interrupt request (IRQ), where a delayed work item might be re-armed after the associated memory has been freed. This can lead to a use-after-free vulnerability, potentially causing memory corruption and system instability.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89469.json)\n\n**kernel: power: supply: lp8727: fix use-after-free in lp8727_release_irq()** — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-18.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":206972,"id":"CVE-2026-89469","ts":1789749724063,"field":"cvss","old":"8.4","new":"5.5"},{"seq":206971,"id":"CVE-2026-89469","ts":1789749724063,"field":"severity","old":"high","new":"medium"},{"seq":198040,"id":"CVE-2026-89469","ts":1789384321507,"field":"cvss","old":"6.4","new":"8.4"},{"seq":198039,"id":"CVE-2026-89469","ts":1789384321507,"field":"severity","old":"medium","new":"high"},{"seq":183533,"id":"CVE-2026-89469","ts":1789356675772,"field":"cvss","old":"8.4","new":"6.4"},{"seq":183532,"id":"CVE-2026-89469","ts":1789356675772,"field":"severity","old":"high","new":"medium"},{"seq":153244,"id":"CVE-2026-89469","ts":1789285349712,"field":"cvss","old":null,"new":"8.4"},{"seq":153243,"id":"CVE-2026-89469","ts":1789285349712,"field":"severity","old":"none","new":"high"},{"seq":147648,"id":"CVE-2026-89469","ts":1789270211732,"field":"cvss","old":null,"new":"6.4"},{"seq":147647,"id":"CVE-2026-89469","ts":1789270211732,"field":"severity","old":"none","new":"medium"},{"seq":109406,"id":"CVE-2026-89469","ts":1789183731790,"field":"cvss","old":null,"new":"6.4"},{"seq":109405,"id":"CVE-2026-89469","ts":1789183731790,"field":"severity","old":"none","new":"medium"}]}