{"id":"CVE-2026-98792","title":"kernel: netfilter: flowtable: generalize pending status bit (CVE-2026-98792)","summary":"A flaw was found in the Linux kernel's netfilter flowtable component. This flaw allows an attacker to cause a denial of service (DoS) by crashing the operating system. A race condition exists between the connection cleanup worker and hardw…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-366","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-10-18","updated":"2026-10-23","sourceUpdated":"2026-10-23T15:23:06+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98792.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98792.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98792"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2555142"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98792"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98792"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98792.mbox"},{"url":"https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc"},{"url":"https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c"},{"url":"https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a"},{"url":"https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca"},{"url":"https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00168,"epssPercentile":0.05984,"ingestedAt":"2026-10-18T16:47:32.485Z","slug":"CVE-2026-98792","body":"## Overview\n\nA flaw was found in the Linux kernel's netfilter flowtable component. This flaw allows an attacker to cause a denial of service (DoS) by crashing the operating system. A race condition exists between the connection cleanup worker and hardware offload handlers when background tasks run concurrently while expired network flows are being removed.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, 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 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98792.json)\n\n**kernel: netfilter: flowtable: generalize pending status bit** — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\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 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- Red Hat Enterprise Linux 7\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228748,"id":"CVE-2026-98792","ts":1792844947445,"field":"cvss","old":null,"new":"5.9"},{"seq":228747,"id":"CVE-2026-98792","ts":1792844947445,"field":"severity","old":"none","new":"medium"}]}