{"id":"CVE-2026-80932","title":"kernel: vsock/virtio: flush works in dependency order (CVE-2026-80932)","summary":"A flaw was found in the Linux kernel, specifically within the `vsock/virtio` component. An incorrect order of flushing work items during the removal of a `virtio_vsock` object can lead to a use-after-free condition. This vulnerability allo…","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-364","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-14","sourceUpdated":"2026-09-14T14:48:13+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80932.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80932.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80932"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532228"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80932"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80932"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80932.mbox"},{"url":"https://git.kernel.org/stable/c/e059a14c1067bcc4f7b1947cd09f2baab98e340f"},{"url":"https://git.kernel.org/stable/c/531e2ac2dab1ab90a16427c4f9c86663633e9487"},{"url":"https://git.kernel.org/stable/c/f3313d952fc380cff53db9a28451a8807aa67b43"},{"url":"https://git.kernel.org/stable/c/b9cb4e8ba71c9fbd935d66baa71bbb0b87192c94"},{"url":"https://git.kernel.org/stable/c/2187a56f2fd1715d54daed6392809223c60544f3"},{"url":"https://git.kernel.org/stable/c/165a330a68b5f299d8735f0194c314cb2e571269"},{"url":"https://git.kernel.org/stable/c/da5e9f08714c19ba04e6863aca69d40f042f2e04"},{"url":"https://git.kernel.org/stable/c/728836ebca239810f164262b10211ef59182f811"}],"tags":["csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.0014,"epssPercentile":0.03674,"scores":{"vendor":5.5,"cna":8.4},"ingestedAt":"2026-09-14T15:23:07.456Z","slug":"CVE-2026-80932","body":"## Overview\n\nA flaw was found in the Linux kernel, specifically within the `vsock/virtio` component. An incorrect order of flushing work items during the removal of a `virtio_vsock` object can lead to a use-after-free condition. This vulnerability allows a race condition where memory can be freed while still in use, potentially resulting in memory corruption and system instability or a denial of service.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80932.json)\n\n**kernel: vsock/virtio: flush works in dependency order** — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\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\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\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\nNot affected:\n\n- Red Hat Enterprise Linux 6\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202769,"id":"CVE-2026-80932","ts":1789403715811,"field":"cvss","old":"8.4","new":"5.5"},{"seq":202768,"id":"CVE-2026-80932","ts":1789403715811,"field":"severity","old":"high","new":"medium"},{"seq":183628,"id":"CVE-2026-80932","ts":1789356676167,"field":"cvss","old":"8.4","new":"6"},{"seq":183627,"id":"CVE-2026-80932","ts":1789356676167,"field":"severity","old":"high","new":"medium"},{"seq":153114,"id":"CVE-2026-80932","ts":1789285349066,"field":"cvss","old":null,"new":"8.4"},{"seq":153113,"id":"CVE-2026-80932","ts":1789285349066,"field":"severity","old":"none","new":"high"},{"seq":147518,"id":"CVE-2026-80932","ts":1789270211221,"field":"cvss","old":null,"new":"6"},{"seq":147517,"id":"CVE-2026-80932","ts":1789270211221,"field":"severity","old":"none","new":"medium"},{"seq":109276,"id":"CVE-2026-80932","ts":1789183731244,"field":"cvss","old":null,"new":"6"},{"seq":109275,"id":"CVE-2026-80932","ts":1789183731244,"field":"severity","old":"none","new":"medium"}]}