{"id":"CVE-2026-45901","state":"PUBLISHED","title":"netfilter: nf_tables: revert commit_mutex usage in reset path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: revert commit_mutex usage in reset path\n\nIt causes circular lock dependency between commit_mutex, nfnl_subsys_ipset\nand nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m set'\nrule run at the same time.\n\nPrevious patches made it safe to run individual reset handlers concurrently\nso commit_mutex is no longer required to prevent this.","publishedAt":"2026-05-27T12:17:09.861Z","updatedAt":"2026-10-21T12:40:57.498Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f123293db16dcd0cd81b246ae60e6362f0025d0a","status":"affected","lessThan":"b0dd8637fbaae8405eb9e8de741f9ce7c9667b6f","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"d66bedfe97a2bc321fa8118e669aae988038f729","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"f6410d18c1e2da325df02be989d5bca5ed38b086","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"ee3978b6a0dcd4215cb7cedcba705a12174786a7","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc","versionType":"git"},{"version":"fb1adb05ea87b6149e65a31e511756c4f470d0cd","status":"affected","versionType":"git"},{"version":"6.6.48","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.1.107","status":"affected","lessThan":"6.2","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_tables_api.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_tables_api.c"]}],"references":["https://git.kernel.org/stable/c/b0dd8637fbaae8405eb9e8de741f9ce7c9667b6f","https://git.kernel.org/stable/c/d66bedfe97a2bc321fa8118e669aae988038f729","https://git.kernel.org/stable/c/f6410d18c1e2da325df02be989d5bca5ed38b086","https://git.kernel.org/stable/c/ee3978b6a0dcd4215cb7cedcba705a12174786a7","https://git.kernel.org/stable/c/7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45901.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45901","state":"PUBLISHED","datePublished":"2026-05-27T12:17:09.861Z","dateUpdated":"2026-10-21T12:40:57.498Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.084Z"},"containers":{"cna":{"title":"netfilter: nf_tables: revert commit_mutex usage in reset path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: revert commit_mutex usage in reset path\n\nIt causes circular lock dependency between commit_mutex, nfnl_subsys_ipset\nand nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m set'\nrule run at the same time.\n\nPrevious patches made it safe to run individual reset handlers concurrently\nso commit_mutex is no longer required to prevent this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f123293db16dcd0cd81b246ae60e6362f0025d0a","status":"affected","lessThan":"b0dd8637fbaae8405eb9e8de741f9ce7c9667b6f","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"d66bedfe97a2bc321fa8118e669aae988038f729","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"f6410d18c1e2da325df02be989d5bca5ed38b086","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"ee3978b6a0dcd4215cb7cedcba705a12174786a7","versionType":"git"},{"version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","status":"affected","lessThan":"7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc","versionType":"git"},{"version":"fb1adb05ea87b6149e65a31e511756c4f470d0cd","status":"affected","versionType":"git"},{"version":"6.6.48","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.1.107","status":"affected","lessThan":"6.2","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_tables_api.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_tables_api.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b0dd8637fbaae8405eb9e8de741f9ce7c9667b6f"},{"url":"https://git.kernel.org/stable/c/d66bedfe97a2bc321fa8118e669aae988038f729"},{"url":"https://git.kernel.org/stable/c/f6410d18c1e2da325df02be989d5bca5ed38b086"},{"url":"https://git.kernel.org/stable/c/ee3978b6a0dcd4215cb7cedcba705a12174786a7"},{"url":"https://git.kernel.org/stable/c/7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:40:57.498Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.48","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.107"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}