{"api_version":"1","generated_at":"2026-08-22T21:52:59+00:00","cve":"CVE-2026-74710","urls":{"html":"https://cve.report/CVE-2026-74710","api":"https://cve.report/api/cve/CVE-2026-74710.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74710","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74710"},"summary":{"title":"xsk: require at least 16 bytes of TX metadata","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: require at least 16 bytes of TX metadata\n\nAF_XDP accepts a TX metadata length as small as eight bytes, but every\nsupported request needs the flags plus at least one eight-byte request\nfield. Such short metadata also lets the kernel read beyond the registered\narea.\n\nRequire 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve\ncompatibility with applications that do not use launch-time metadata.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:45","updated_at":"2026-08-22 16:16:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/642c6e73fce17fdca93a5793c4d22359fda866d7","name":"https://git.kernel.org/stable/c/642c6e73fce17fdca93a5793c4d22359fda866d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cfb9d2976b277e554e28c165e3eff4b4a8ea10bd","name":"https://git.kernel.org/stable/c/cfb9d2976b277e554e28c165e3eff4b4a8ea10bd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1bb30b181d9f0484e141f8411e15ed906d5c6780","name":"https://git.kernel.org/stable/c/1bb30b181d9f0484e141f8411e15ed906d5c6780","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/21b8536aee819792f1b4b38b9aacf2a073025d49","name":"https://git.kernel.org/stable/c/21b8536aee819792f1b4b38b9aacf2a073025d49","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74710","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74710","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 341ac980eab90ac1f6c22ee9f9da83ed9604d899 21b8536aee819792f1b4b38b9aacf2a073025d49 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 341ac980eab90ac1f6c22ee9f9da83ed9604d899 642c6e73fce17fdca93a5793c4d22359fda866d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 341ac980eab90ac1f6c22ee9f9da83ed9604d899 cfb9d2976b277e554e28c165e3eff4b4a8ea10bd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 341ac980eab90ac1f6c22ee9f9da83ed9604d899 1bb30b181d9f0484e141f8411e15ed906d5c6780 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.104 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/xdp/xdp_umem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"21b8536aee819792f1b4b38b9aacf2a073025d49","status":"affected","version":"341ac980eab90ac1f6c22ee9f9da83ed9604d899","versionType":"git"},{"lessThan":"642c6e73fce17fdca93a5793c4d22359fda866d7","status":"affected","version":"341ac980eab90ac1f6c22ee9f9da83ed9604d899","versionType":"git"},{"lessThan":"cfb9d2976b277e554e28c165e3eff4b4a8ea10bd","status":"affected","version":"341ac980eab90ac1f6c22ee9f9da83ed9604d899","versionType":"git"},{"lessThan":"1bb30b181d9f0484e141f8411e15ed906d5c6780","status":"affected","version":"341ac980eab90ac1f6c22ee9f9da83ed9604d899","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/xdp/xdp_umem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.104","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.104","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: require at least 16 bytes of TX metadata\n\nAF_XDP accepts a TX metadata length as small as eight bytes, but every\nsupported request needs the flags plus at least one eight-byte request\nfield. Such short metadata also lets the kernel read beyond the registered\narea.\n\nRequire 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve\ncompatibility with applications that do not use launch-time metadata."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:33:07.172Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/21b8536aee819792f1b4b38b9aacf2a073025d49"},{"url":"https://git.kernel.org/stable/c/642c6e73fce17fdca93a5793c4d22359fda866d7"},{"url":"https://git.kernel.org/stable/c/cfb9d2976b277e554e28c165e3eff4b4a8ea10bd"},{"url":"https://git.kernel.org/stable/c/1bb30b181d9f0484e141f8411e15ed906d5c6780"}],"title":"xsk: require at least 16 bytes of TX metadata","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74710","datePublished":"2026-08-22T15:33:07.172Z","dateReserved":"2026-08-15T05:44:03.928Z","dateUpdated":"2026-08-22T15:33:07.172Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:45","lastModifiedDate":"2026-08-22 16:16:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74710","Ordinal":"1","Title":"xsk: require at least 16 bytes of TX metadata","CVE":"CVE-2026-74710","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74710","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: require at least 16 bytes of TX metadata\n\nAF_XDP accepts a TX metadata length as small as eight bytes, but every\nsupported request needs the flags plus at least one eight-byte request\nfield. Such short metadata also lets the kernel read beyond the registered\narea.\n\nRequire 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve\ncompatibility with applications that do not use launch-time metadata.","Type":"Description","Title":"xsk: require at least 16 bytes of TX metadata"}]}}}