{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74559","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-15T05:44:03.916Z","datePublished":"2026-08-15T12:28:03.279Z","dateUpdated":"2026-08-17T05:21:46.240Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:21:46.240Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: drain continuation descs after overflow in xsk_build_skb()\n\nFix generic xmit path multi-buffer logic when packets are either too big\n(count of descriptors exceed MAX_SKB_FRAGS) or an invalid descriptor is\nincluded in fragmented packet. Introduce xdp_sock::drain_cont and act\nupon this flag - when it is set, keep on consuming descriptors from\nAF_XDP Tx ring and put them directly onto Cq. Previously these\ndescriptors were silently lost and could never be reached again."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/xdp_sock.h","net/xdp/xsk.c"],"versions":[{"version":"cf24f5a5feeaae34c1a34d1e04f8ac697290427a","lessThan":"ceb00cb87a22c42d20c39336213db2b843ca9e34","status":"affected","versionType":"git"},{"version":"cf24f5a5feeaae34c1a34d1e04f8ac697290427a","lessThan":"5e94d74e4f3baebaa083288f33b4be7ce0a34982","status":"affected","versionType":"git"},{"version":"cf24f5a5feeaae34c1a34d1e04f8ac697290427a","lessThan":"bd44a6dcd4248883de90f5dad53ae80066e27096","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/xdp_sock.h","net/xdp/xsk.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.18.44","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.8","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.1.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ceb00cb87a22c42d20c39336213db2b843ca9e34"},{"url":"https://git.kernel.org/stable/c/5e94d74e4f3baebaa083288f33b4be7ce0a34982"},{"url":"https://git.kernel.org/stable/c/bd44a6dcd4248883de90f5dad53ae80066e27096"}],"title":"xsk: drain continuation descs after overflow in xsk_build_skb()","x_generator":{"engine":"bippy-1.2.0"}}}}