{"id":"CVE-2026-74708","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-74708","generatedAt":"2026-10-28T02:12:41.236Z","title":"In the Linux kernel, the following vulnerability has been resolved: xsk: validate launch-time metadata size Launch-time metadata extends beyond the first 16 bytes of struct xsk_tx_metadata.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate launch-time metadata size\n\nLaunch-time metadata extends beyond the first 16 bytes of struct\nxsk_tx_metadata. Reject the request when the registered metadata area does\nnot contain the complete field.\n\nSnapshot the validated flags for the generic transmit path and use that\nsnapshot for request and completion processing, avoiding inconsistent\ndecisions if user space changes the flags concurrently.\n\nNote that only xsk_skb_metadata is properly using the flags,\n__xsk_buff_get_metadata ignores them. Next commits address that.","published":"2026-08-22T16:16:46.000Z","lastModified":"2026-10-16T20:17:54.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.00173,"percentile":0.06725,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/439ce2dddf3d22129b9113a7881637256a35e936","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af511afa1d2977f384044df78d6fbf9fba653f7a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc63d47611c07b0d5d655fe1a590861931527920","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74708","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}