{"id":"CVE-2026-98381","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nveth: manage XDP program pointers during channel resize\n\nveth_set_channels() tears down XDP resources for removed RX queues\nwithout clearing rq->xdp_prog","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nveth: manage XDP program pointers during channel resize\n\nveth_set_channels() tears down XDP resources for removed RX queues\nwithout clearing rq->xdp_prog.  If the progr…","severity":"high","published":"2026-10-09","updated":"2026-10-09","sourceUpdated":"2026-10-09T08:16:56.547","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98381","references":[{"url":"https://git.kernel.org/stable/c/1a5c5b9c64ba5f39dba55da6e12561ca56eeb758","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/25bb7c36225220d30f404d7e29d2e052bc5f4b99","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3c10a5dd0d38f506f671dbb59e9d0ee4c72076f9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/43f6b647f209591b1e3f726bb16b8dcba6b95908","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7104a370714346b667712913dc16abf14bbc97ed","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7a8e143109ff2736dc79e41dcd55af7ceab7520a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f0e8dba8c224981e53c792c6b3dbb7604fb2c2c6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98381.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98381"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2548393"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98381"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98381"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98381.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-98381"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"ingestedAt":"2026-10-09T08:29:41.351Z","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 6","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"vendor","cwe":["CWE-825","CWE-416"],"epss":0.00125,"epssPercentile":0.02178,"scores":{"vendor":5.5,"cna":7.8},"slug":"CVE-2026-98381","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nveth: manage XDP program pointers during channel resize\n\nveth_set_channels() tears down XDP resources for removed RX queues\nwithout clearing rq->xdp_prog.  If the program is then detached or\nreplaced, those queues keep the old pointer after bpf_prog_put().\nA later channel increase can re-enable NAPI and run the freed program.\n\n  BUG: unable to handle page fault for address: ffffc90000256048\n  Oops: Oops: 0000 [#1] SMP KASAN NOPTI\n  RIP: veth_xdp_rcv_skb (include/linux/filter.h:779\n                         include/net/xdp.h:696 drivers/net/veth.c:820)\n  Call Trace:\n   veth_xdp_rcv (drivers/net/veth.c:941)\n   veth_poll (drivers/net/veth.c:986)\n   __napi_poll (net/core/dev.c:7787)\n   net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)\n   handle_softirqs (kernel/softirq.c:645)\n  Kernel panic - not syncing: Fatal exception in interrupt\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 · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98381.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219103,"id":"CVE-2026-98381","ts":1791707063111,"field":"cvss","old":null,"new":"7"},{"seq":219102,"id":"CVE-2026-98381","ts":1791707063111,"field":"severity","old":"none","new":"high"}]}