{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52970", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.375Z", "datePublished": "2026-06-24T16:28:48.882Z", "dateUpdated": "2026-06-24T16:28:48.882Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:28:48.882Z"}, "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 allocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nft_ct.c"], "versions": [{"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "cdb9a25dd3416d427e8b2753210f8baf44207577", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "26ab32ec73941871c97562ee1f39587950dc3b68", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "7b96242ceedfe249f158419f3254bcee04173ffe", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "ecca618e1e339494911090474ed87742c0f73976", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "2aef1b13d5c0285f340512c6c07eb858fd018fd8", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "1dced0725e2fae3ac3416274db20a7ff5a46931d", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "84c422cea5a45fe56be839f25880f21fd33940cd", "status": "affected", "versionType": "git"}, {"version": "857b46027d6f91150797295752581b7155b9d0e1", "lessThan": "19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nft_ct.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577"}, {"url": "https://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68"}, {"url": "https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe"}, {"url": "https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976"}, {"url": "https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8"}, {"url": "https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d"}, {"url": "https://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd"}, {"url": "https://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4"}], "title": "netfilter: nft_ct: fix missing expect put in obj eval", "x_generator": {"engine": "bippy-1.2.0"}}}}

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