{"id":"CVE-2026-80948","title":"kernel: wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start() (CVE-2026-80948)","summary":"A flaw was found in the Linux kernel's iwlwifi driver. An error handling issue within the `iwl_op_mode_dvm_start()` function can cause a memory leak. This occurs when certain error paths bypass a memory deallocation step, leading to unrele…","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 7","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-14","sourceUpdated":"2026-09-14T17:01:45+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80948.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80948.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80948"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532237"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80948"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80948"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80948.mbox"},{"url":"https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5"},{"url":"https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720"},{"url":"https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.0021,"epssPercentile":0.11458,"ingestedAt":"2026-09-14T15:23:07.477Z","slug":"CVE-2026-80948","body":"## Overview\n\nA flaw was found in the Linux kernel's iwlwifi driver. An error handling issue within the `iwl_op_mode_dvm_start()` function can cause a memory leak. This occurs when certain error paths bypass a memory deallocation step, leading to unreleased memory. This vulnerability could potentially lead to system instability or a Denial of Service (DoS) condition.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · 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-2026-80948.json)\n\n**kernel: wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()** — 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 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":204248,"id":"CVE-2026-80948","ts":1789490240611,"field":"cvss","old":null,"new":"5.5"},{"seq":204247,"id":"CVE-2026-80948","ts":1789490240611,"field":"severity","old":"none","new":"medium"},{"seq":147510,"id":"CVE-2026-80948","ts":1789270211191,"field":"cvss","old":null,"new":"4.7"},{"seq":147509,"id":"CVE-2026-80948","ts":1789270211191,"field":"severity","old":"none","new":"medium"},{"seq":109262,"id":"CVE-2026-80948","ts":1789183731190,"field":"cvss","old":null,"new":"4.7"},{"seq":109261,"id":"CVE-2026-80948","ts":1789183731190,"field":"severity","old":"none","new":"medium"}]}