{"id":"CVE-2026-90142","summary":"virtio_net: Fix resize of the RX ring","details":"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-\u003exsk_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","modified":"2026-09-19T03:47:28.662225594Z","published":"2026-09-17T16:06:39.122Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90142.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/8344c9233c8f77017174d9e280c5a26034d068b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d09c98a6da215bce2173a292e4b95c8de6ea5d51"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90142.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90142"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568"},{"fixed":"8344c9233c8f77017174d9e280c5a26034d068b6"},{"fixed":"d09c98a6da215bce2173a292e4b95c8de6ea5d51"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90142.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.11.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90142.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}