{"api_version":"1","generated_at":"2026-06-27T02:03:23+00:00","cve":"CVE-2026-52970","urls":{"html":"https://cve.report/CVE-2026-52970","api":"https://cve.report/api/cve/CVE-2026-52970.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52970","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52970"},"summary":{"title":"netfilter: nft_ct: fix missing expect put in obj eval","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: fix missing expect put in obj eval\n\nnft_ct_expect_obj_eval() allocates an expectation and may call\nnf_ct_expect_related(), but never drops its local reference.\n\nAdd nf_ct_expect_put(exp) before return to balance allocation.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:07","updated_at":"2026-06-24 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52970","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857b46027d6f91150797295752581b7155b9d0e1 cdb9a25dd3416d427e8b2753210f8baf44207577 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857b46027d6f91150797295752581b7155b9d0e1 26ab32ec73941871c97562ee1f39587950dc3b68 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857b46027d6f91150797295752581b7155b9d0e1 7b96242ceedfe249f158419f3254bcee04173ffe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857b46027d6f91150797295752581b7155b9d0e1 ecca618e1e339494911090474ed87742c0f73976 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:07:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nft_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cdb9a25dd3416d427e8b2753210f8baf44207577","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"26ab32ec73941871c97562ee1f39587950dc3b68","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"7b96242ceedfe249f158419f3254bcee04173ffe","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"ecca618e1e339494911090474ed87742c0f73976","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"2aef1b13d5c0285f340512c6c07eb858fd018fd8","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"1dced0725e2fae3ac3416274db20a7ff5a46931d","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"84c422cea5a45fe56be839f25880f21fd33940cd","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"},{"lessThan":"19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4","status":"affected","version":"857b46027d6f91150797295752581b7155b9d0e1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nft_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.3"},{"lessThan":"5.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: fix missing expect put in obj eval\n\nnft_ct_expect_obj_eval() allocates an expectation and may call\nnf_ct_expect_related(), but never drops its local reference.\n\nAdd nf_ct_expect_put(exp) before return to balance 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reference.\n\nAdd nf_ct_expect_put(exp) before return to balance allocation.","Type":"Description","Title":"netfilter: nft_ct: fix missing expect put in obj eval"}]}}}