{"id":"CVE-2026-90142","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: Fix resize of the RX ring\n\nWhen a AF_XDP socket is attached, the virtnet_rx_resize\nshould resize the rq->xsk_buffs XSK buffer array","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: Fix resize of the RX ring\n\nWhen a AF_XDP socket is attached, the virtnet_rx_resize\nshould resize the rq->xsk_buffs XSK buffer array. Otherwise,\nwhen the siz…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 < 8344c9233c8f77017174d9e280c5a26034d068b6","Linux >= e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 < d09c98a6da215bce2173a292e4b95c8de6ea5d51","Linux 6.11"],"published":"2026-09-17","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:57.913","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90142","references":[{"url":"https://git.kernel.org/stable/c/5235abdb760bbd7a6fcecf1890b5160b7a75a9ce","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8344c9233c8f77017174d9e280c5a26034d068b6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d09c98a6da215bce2173a292e4b95c8de6ea5d51","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90142.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90142"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536189"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90142"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90142"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90142.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-90142"},{"url":"https://git.kernel.org/stable/c/5c941b5d989a15cdaa987a2c602fb168461c6186"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00164,"epssPercentile":0.05567,"ingestedAt":"2026-09-17T16:21:47.877Z","cwe":["CWE-787"],"scores":{"nvd":7.8,"vendor":5.5,"cna":7.8},"slug":"CVE-2026-90142","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: Fix resize of the RX ring\n\nWhen a AF_XDP socket is attached, the virtnet_rx_resize\nshould resize the rq->xsk_buffs XSK buffer array. Otherwise,\nwhen the size grows, the virtnet_rx_resume() causes a write\npast the end of the array. This is easily reproducable with\n\n    ethtool -G ens3 rx 32\n    ./xdpsock -i eth0 -q 0 -r -z &\n    ethtool -G eth0 rx 256\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 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10 · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90142.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207141,"id":"CVE-2026-90142","ts":1789757335436,"field":"cvss","old":null,"new":"7.8"},{"seq":207140,"id":"CVE-2026-90142","ts":1789757335436,"field":"severity","old":"none","new":"high"}]}