{"api_version":"1","generated_at":"2026-10-08T12:36:05+00:00","cve":"CVE-2026-98233","urls":{"html":"https://cve.report/CVE-2026-98233","api":"https://cve.report/api/cve/CVE-2026-98233.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98233","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98233"},"summary":{"title":"net/packet: clear RX owner on VNET header error","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/packet: clear RX owner on VNET header error\n\nCommit 61fad6816fc1 (\"net/packet: tpacket_rcv: avoid a producer race\ncondition\") added rx_owner_map and made tpacket_rcv() claim a V1 or V2\nring slot before converting the virtio-net header.  If the conversion\nfails, the drop path leaves the slot claimed.\n\nWith a one-frame TPACKET_V2 ring, an unsupported UDP GSO packet leaves\nthe only slot unavailable, so the ring also drops the next valid packet.\n\nClear the ownership bit on this error path.  TPACKET_V3 already clears\nits block state here.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-06 09:18:10","updated_at":"2026-10-06 09:18:10"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2daa618e7ff19eefcbda281bc4c5998c4140f9cf","name":"https://git.kernel.org/stable/c/2daa618e7ff19eefcbda281bc4c5998c4140f9cf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23cd30498891d29a69ec9b75bd92f8a0f21f1342","name":"https://git.kernel.org/stable/c/23cd30498891d29a69ec9b75bd92f8a0f21f1342","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b8c0cb3069058c2d67b5c7c833b2833381ecffdc","name":"https://git.kernel.org/stable/c/b8c0cb3069058c2d67b5c7c833b2833381ecffdc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/33ff111d7ba3beb86e28938d6382bb5beabd865a","name":"https://git.kernel.org/stable/c/33ff111d7ba3beb86e28938d6382bb5beabd865a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb10a0084c03a94364aeec542beddc5d49b59f59","name":"https://git.kernel.org/stable/c/bb10a0084c03a94364aeec542beddc5d49b59f59","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/805edbdcb8681da5f7ee43b3c3c809f7a8c31208","name":"https://git.kernel.org/stable/c/805edbdcb8681da5f7ee43b3c3c809f7a8c31208","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/49a48a5aaf85fe69d2dc3fb334b4854fadf44e39","name":"https://git.kernel.org/stable/c/49a48a5aaf85fe69d2dc3fb334b4854fadf44e39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/693209a237fc548791cf402441db8b68d1da7d38","name":"https://git.kernel.org/stable/c/693209a237fc548791cf402441db8b68d1da7d38","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98233","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98233","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61fad6816fc10fb8793a925d5c1256d1c3db0cd2 bb10a0084c03a94364aeec542beddc5d49b59f59 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61fad6816fc10fb8793a925d5c1256d1c3db0cd2 b8c0cb3069058c2d67b5c7c833b2833381ecffdc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61fad6816fc10fb8793a925d5c1256d1c3db0cd2 2daa618e7ff19eefcbda281bc4c5998c4140f9cf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61fad6816fc10fb8793a925d5c1256d1c3db0cd2 23cd30498891d29a69ec9b75bd92f8a0f21f1342 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.54 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98233","cve":"CVE-2026-98233","epss":"0.002200000","percentile":"0.113620000","score_date":"2026-10-06","updated_at":"2026-10-07 00:14:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/packet/af_packet.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bb10a0084c03a94364aeec542beddc5d49b59f59","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"b8c0cb3069058c2d67b5c7c833b2833381ecffdc","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"2daa618e7ff19eefcbda281bc4c5998c4140f9cf","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"23cd30498891d29a69ec9b75bd92f8a0f21f1342","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"49a48a5aaf85fe69d2dc3fb334b4854fadf44e39","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"805edbdcb8681da5f7ee43b3c3c809f7a8c31208","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"693209a237fc548791cf402441db8b68d1da7d38","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"lessThan":"33ff111d7ba3beb86e28938d6382bb5beabd865a","status":"affected","version":"61fad6816fc10fb8793a925d5c1256d1c3db0cd2","versionType":"git"},{"status":"affected","version":"2975472e042e0bbfeeabddc5023cb8c011ec5a07","versionType":"git"},{"status":"affected","version":"6fb0e4385928900ccb8697748555b3f54bba5193","versionType":"git"},{"status":"affected","version":"86137342fd4cf52882842aa8d1318b2661f08e8a","versionType":"git"},{"status":"affected","version":"b06e4d3ed4044c2facf10a511d809f9aa29d960e","versionType":"git"},{"lessThan":"4.15","status":"affected","version":"4.14.175","versionType":"semver"},{"lessThan":"4.20","status":"affected","version":"4.19.114","versionType":"semver"},{"lessThan":"5.5","status":"affected","version":"5.4.29","versionType":"semver"},{"lessThan":"5.6","status":"affected","version":"5.5.14","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/packet/af_packet.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.54","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.54","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc4","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.175","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.114","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/packet: clear RX owner on VNET header error\n\nCommit 61fad6816fc1 (\"net/packet: tpacket_rcv: avoid a producer race\ncondition\") added rx_owner_map and made tpacket_rcv() claim a V1 or V2\nring slot before converting the virtio-net header.  If the conversion\nfails, the drop path leaves the slot claimed.\n\nWith a one-frame TPACKET_V2 ring, an unsupported UDP GSO packet leaves\nthe only slot unavailable, so the ring also drops the next valid packet.\n\nClear the ownership bit on this error path.  TPACKET_V3 already clears\nits block state here."}],"providerMetadata":{"dateUpdated":"2026-10-06T08:45:06.533Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bb10a0084c03a94364aeec542beddc5d49b59f59"},{"url":"https://git.kernel.org/stable/c/b8c0cb3069058c2d67b5c7c833b2833381ecffdc"},{"url":"https://git.kernel.org/stable/c/2daa618e7ff19eefcbda281bc4c5998c4140f9cf"},{"url":"https://git.kernel.org/stable/c/23cd30498891d29a69ec9b75bd92f8a0f21f1342"},{"url":"https://git.kernel.org/stable/c/49a48a5aaf85fe69d2dc3fb334b4854fadf44e39"},{"url":"https://git.kernel.org/stable/c/805edbdcb8681da5f7ee43b3c3c809f7a8c31208"},{"url":"https://git.kernel.org/stable/c/693209a237fc548791cf402441db8b68d1da7d38"},{"url":"https://git.kernel.org/stable/c/33ff111d7ba3beb86e28938d6382bb5beabd865a"}],"title":"net/packet: clear RX owner on VNET header error","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98233","datePublished":"2026-10-06T08:45:06.533Z","dateReserved":"2026-09-25T10:25:14.328Z","dateUpdated":"2026-10-06T08:45:06.533Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 09:18:10","lastModifiedDate":"2026-10-06 09:18:10","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98233","Ordinal":"1","Title":"net/packet: clear RX owner on VNET header error","CVE":"CVE-2026-98233","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98233","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/packet: clear RX owner on VNET header error\n\nCommit 61fad6816fc1 (\"net/packet: tpacket_rcv: avoid a producer race\ncondition\") added rx_owner_map and made tpacket_rcv() claim a V1 or V2\nring slot before converting the virtio-net header.  If the conversion\nfails, the drop path leaves the slot claimed.\n\nWith a one-frame TPACKET_V2 ring, an unsupported UDP GSO packet leaves\nthe only slot unavailable, so the ring also drops the next valid packet.\n\nClear the ownership bit on this error path.  TPACKET_V3 already clears\nits block state here.","Type":"Description","Title":"net/packet: clear RX owner on VNET header error"}]}}}