{"api_version":"1","generated_at":"2026-10-21T12:00:43+00:00","cve":"CVE-2026-98561","urls":{"html":"https://cve.report/CVE-2026-98561","api":"https://cve.report/api/cve/CVE-2026-98561.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98561","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98561"},"summary":{"title":"nfp: hold IPsec RX state under the XArray lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: hold IPsec RX state under the XArray lock\n\nnfp_net_ipsec_rx() drops the XArray lock before taking a reference to the\nxfrm_state it found. The delete path can erase the entry and drop the last\nstate reference in that interval. RX can then try to increment a zero\nrefcount after the state has been queued for destruction.\n\nThe driver queues firmware invalidation asynchronously; the delete path\ndoes not wait for the command to complete or drain pending RX processing.\n\nThe XFRM garbage collector waits for an RCU grace period before freeing\nthe state. That delays reclamation but does not make acquiring a reference\nfrom zero valid.\n\nTake the xfrm_state reference before releasing the XArray lock so\nxa_erase() cannot run between lookup and reference acquisition.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:08","updated_at":"2026-10-18 16:17:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8468d05aa08dc430b5675beadf6f6fb8943f170b","name":"https://git.kernel.org/stable/c/8468d05aa08dc430b5675beadf6f6fb8943f170b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c1b1639fb138db52fcfbd1747e92f2454076c6d5","name":"https://git.kernel.org/stable/c/c1b1639fb138db52fcfbd1747e92f2454076c6d5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1a983a4e14c635c40354be110cd9a1a5c94e01e6","name":"https://git.kernel.org/stable/c/1a983a4e14c635c40354be110cd9a1a5c94e01e6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd765023bb54f9650f8b9137906fb2c4a554dd1d","name":"https://git.kernel.org/stable/c/dd765023bb54f9650f8b9137906fb2c4a554dd1d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488","name":"https://git.kernel.org/stable/c/fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98561","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98561","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 57f273adbcd44172cbe0bd10b8b7408dd255699f c1b1639fb138db52fcfbd1747e92f2454076c6d5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 57f273adbcd44172cbe0bd10b8b7408dd255699f dd765023bb54f9650f8b9137906fb2c4a554dd1d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 57f273adbcd44172cbe0bd10b8b7408dd255699f 8468d05aa08dc430b5675beadf6f6fb8943f170b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 57f273adbcd44172cbe0bd10b8b7408dd255699f fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 57f273adbcd44172cbe0bd10b8b7408dd255699f 1a983a4e14c635c40354be110cd9a1a5c94e01e6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2 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 6.18.55 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.9 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc5 * 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":["drivers/net/ethernet/netronome/nfp/crypto/ipsec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c1b1639fb138db52fcfbd1747e92f2454076c6d5","status":"affected","version":"57f273adbcd44172cbe0bd10b8b7408dd255699f","versionType":"git"},{"lessThan":"dd765023bb54f9650f8b9137906fb2c4a554dd1d","status":"affected","version":"57f273adbcd44172cbe0bd10b8b7408dd255699f","versionType":"git"},{"lessThan":"8468d05aa08dc430b5675beadf6f6fb8943f170b","status":"affected","version":"57f273adbcd44172cbe0bd10b8b7408dd255699f","versionType":"git"},{"lessThan":"fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488","status":"affected","version":"57f273adbcd44172cbe0bd10b8b7408dd255699f","versionType":"git"},{"lessThan":"1a983a4e14c635c40354be110cd9a1a5c94e01e6","status":"affected","version":"57f273adbcd44172cbe0bd10b8b7408dd255699f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/netronome/nfp/crypto/ipsec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","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":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc5","versionStartIncluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: hold IPsec RX state under the XArray lock\n\nnfp_net_ipsec_rx() drops the XArray lock before taking a reference to the\nxfrm_state it found. The delete path can erase the entry and drop the last\nstate reference in that interval. RX can then try to increment a zero\nrefcount after the state has been queued for destruction.\n\nThe driver queues firmware invalidation asynchronously; the delete path\ndoes not wait for the command to complete or drain pending RX processing.\n\nThe XFRM garbage collector waits for an RCU grace period before freeing\nthe state. That delays reclamation but does not make acquiring a reference\nfrom zero valid.\n\nTake the xfrm_state reference before releasing the XArray lock so\nxa_erase() cannot run between lookup and reference acquisition."}],"providerMetadata":{"dateUpdated":"2026-10-18T15:18:28.011Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c1b1639fb138db52fcfbd1747e92f2454076c6d5"},{"url":"https://git.kernel.org/stable/c/dd765023bb54f9650f8b9137906fb2c4a554dd1d"},{"url":"https://git.kernel.org/stable/c/8468d05aa08dc430b5675beadf6f6fb8943f170b"},{"url":"https://git.kernel.org/stable/c/fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488"},{"url":"https://git.kernel.org/stable/c/1a983a4e14c635c40354be110cd9a1a5c94e01e6"}],"title":"nfp: hold IPsec RX state under the XArray lock","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98561","datePublished":"2026-10-18T15:18:28.011Z","dateReserved":"2026-09-25T10:25:14.357Z","dateUpdated":"2026-10-18T15:18:28.011Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:08","lastModifiedDate":"2026-10-18 16:17:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98561","Ordinal":"1","Title":"nfp: hold IPsec RX state under the XArray lock","CVE":"CVE-2026-98561","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98561","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: hold IPsec RX state under the XArray lock\n\nnfp_net_ipsec_rx() drops the XArray lock before taking a reference to the\nxfrm_state it found. The delete path can erase the entry and drop the last\nstate reference in that interval. RX can then try to increment a zero\nrefcount after the state has been queued for destruction.\n\nThe driver queues firmware invalidation asynchronously; the delete path\ndoes not wait for the command to complete or drain pending RX processing.\n\nThe XFRM garbage collector waits for an RCU grace period before freeing\nthe state. That delays reclamation but does not make acquiring a reference\nfrom zero valid.\n\nTake the xfrm_state reference before releasing the XArray lock so\nxa_erase() cannot run between lookup and reference acquisition.","Type":"Description","Title":"nfp: hold IPsec RX state under the XArray lock"}]}}}