{"id":"CVE-2026-98351","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: virt_wifi: free skb when disconnected\n\nWhen the simulated link is disconnected, virt_wifi_start_xmit() returns\nNET_XMIT_DROP without freeing the skb","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: virt_wifi: free skb when disconnected\n\nWhen the simulated link is disconnected, virt_wifi_start_xmit() returns\nNET_XMIT_DROP without freeing the skb. dev_hard_sta…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= c7cdba31ed8b87526db978976392802d3f93110c < 38d3a5df85345f158f78b478b265ca906224454e","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < ee053ea35c759135460f03d1c574f4ed08de844a","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < d177eca79e1106834bc423d3969a4a2e3987996a","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < 36727a702cf8e3399e3da60d0856378f6afcfb34","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < 56469996c10a0240653fc00576b4d33bdfb4cc51","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < 4f266738af45675faa0e8afee08c6e780afa8b06","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < 46371442847a725cc0df3697fea2eba1dd54b82b","Linux >= c7cdba31ed8b87526db978976392802d3f93110c < f9edf7cf63b96d2b776fca8d258d3c5256e40c8e","Linux 5.0"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:28.437","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98351","references":[{"url":"https://git.kernel.org/stable/c/36727a702cf8e3399e3da60d0856378f6afcfb34","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/38d3a5df85345f158f78b478b265ca906224454e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/46371442847a725cc0df3697fea2eba1dd54b82b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4f266738af45675faa0e8afee08c6e780afa8b06","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/56469996c10a0240653fc00576b4d33bdfb4cc51","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d177eca79e1106834bc423d3969a4a2e3987996a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ee053ea35c759135460f03d1c574f4ed08de844a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f9edf7cf63b96d2b776fca8d258d3c5256e40c8e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98351.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98351"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546468"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98351"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98351"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98351.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.398Z","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"],"epss":0.00165,"epssPercentile":0.05695,"slug":"CVE-2026-98351","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: virt_wifi: free skb when disconnected\n\nWhen the simulated link is disconnected, virt_wifi_start_xmit() returns\nNET_XMIT_DROP without freeing the skb. dev_hard_start_xmit() treats this\nreturn value as consumed, so every packet sent while disconnected leaks its\nskb.\n\nFree the skb before returning the drop status.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98351.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219121,"id":"CVE-2026-98351","ts":1791707067093,"field":"cvss","old":null,"new":"5.5"},{"seq":219120,"id":"CVE-2026-98351","ts":1791707067093,"field":"severity","old":"none","new":"medium"}]}