{"id":"CVE-2026-80941","title":"kernel: wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb() (CVE-2026-80941)","summary":"A flaw was found in the rtw88 Wi-Fi driver of the Linux kernel. This issue occurs because the rtw_txq_push_skb() function fails to free a socket buffer (skb) when an error occurs during transmission. This oversight can lead to a memory lea…","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-772","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-14","sourceUpdated":"2026-09-14T16:00:04+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80941"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532526"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80941"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80941"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80941.mbox"},{"url":"https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b"},{"url":"https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57"},{"url":"https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf"},{"url":"https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937"},{"url":"https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27"},{"url":"https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a"},{"url":"https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee"},{"url":"https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.0021,"epssPercentile":0.11529,"ingestedAt":"2026-09-14T15:23:07.455Z","slug":"CVE-2026-80941","body":"## Overview\n\nA flaw was found in the rtw88 Wi-Fi driver of the Linux kernel. This issue occurs because the rtw_txq_push_skb() function fails to free a socket buffer (skb) when an error occurs during transmission. This oversight can lead to a memory leak, potentially impacting system stability and performance over time.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · 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 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json)\n\n**kernel: wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()** — rated Low 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 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":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202720,"id":"CVE-2026-80941","ts":1789403715273,"field":"cvss","old":null,"new":"5.5"},{"seq":202719,"id":"CVE-2026-80941","ts":1789403715273,"field":"severity","old":"none","new":"medium"},{"seq":147087,"id":"CVE-2026-80941","ts":1789270195113,"field":"cvss","old":null,"new":"4.7"},{"seq":147086,"id":"CVE-2026-80941","ts":1789270195113,"field":"severity","old":"none","new":"medium"},{"seq":108838,"id":"CVE-2026-80941","ts":1789183729050,"field":"cvss","old":null,"new":"4.7"},{"seq":108837,"id":"CVE-2026-80941","ts":1789183729050,"field":"severity","old":"none","new":"medium"}]}