{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74625", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.921Z", "datePublished": "2026-08-22T15:32:07.929Z", "dateUpdated": "2026-08-22T15:32:07.929Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:07.929Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bridge: release template ct on non-IP path\n\nA bridge nftables ct zone set rule can attach a conntrack template to\nan skb before nf_ct_bridge_pre() sees it. For non-IPv4 and non-IPv6\nEtherTypes, nf_ct_bridge_pre() currently overwrites skb->_nfct with\nIP_CT_UNTRACKED without releasing the existing template reference.\n\nThat makes the per-cpu template, and any temporary templates allocated\nfor concurrent use, unreachable and leaks memory until the host runs out\nof slab.\n\nReset the skb conntrack state before marking the frame untracked so the\nexisting template reference is dropped on the non-IP path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bridge/netfilter/nf_conntrack_bridge.c"], "versions": [{"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "fc90df37540627d092af770215fb4b7befe9409b", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "daa6e070f8e1e7a4dddec8b64ca37663f8cda917", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "bd7b16494dacf87e9336a1dcfdada83b9e40edd6", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "6ea88401e10e04e0b3bb7a7adea54932fb60b93b", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "46d559f00b1ab1d114f92d2f16c5ef0093b3b9dd", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "c58d34fe8b7e47bb0b350a7625023b1261342be5", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "7cff440d702616022769f2643168d7f9820547a0", "status": "affected", "versionType": "git"}, {"version": "3c171f496ef57774f8e5d509923372549734877f", "lessThan": "d45cc8020d7c0a9f01dee42ff5c40bc14c9af72f", "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/bridge/netfilter/nf_conntrack_bridge.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.152", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.104", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.104"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fc90df37540627d092af770215fb4b7befe9409b"}, {"url": "https://git.kernel.org/stable/c/daa6e070f8e1e7a4dddec8b64ca37663f8cda917"}, {"url": "https://git.kernel.org/stable/c/bd7b16494dacf87e9336a1dcfdada83b9e40edd6"}, {"url": "https://git.kernel.org/stable/c/6ea88401e10e04e0b3bb7a7adea54932fb60b93b"}, {"url": "https://git.kernel.org/stable/c/46d559f00b1ab1d114f92d2f16c5ef0093b3b9dd"}, {"url": "https://git.kernel.org/stable/c/c58d34fe8b7e47bb0b350a7625023b1261342be5"}, {"url": "https://git.kernel.org/stable/c/7cff440d702616022769f2643168d7f9820547a0"}, {"url": "https://git.kernel.org/stable/c/d45cc8020d7c0a9f01dee42ff5c40bc14c9af72f"}], "title": "netfilter: bridge: release template ct on non-IP path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/bridge/netfilter/nf_conntrack_bridge.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fc90df37540627d092af770215fb4b7befe9409b", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "daa6e070f8e1e7a4dddec8b64ca37663f8cda917", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "bd7b16494dacf87e9336a1dcfdada83b9e40edd6", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "6ea88401e10e04e0b3bb7a7adea54932fb60b93b", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "46d559f00b1ab1d114f92d2f16c5ef0093b3b9dd", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "c58d34fe8b7e47bb0b350a7625023b1261342be5", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "7cff440d702616022769f2643168d7f9820547a0", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}, {"lessThan": "d45cc8020d7c0a9f01dee42ff5c40bc14c9af72f", "status": "affected", "version": "3c171f496ef57774f8e5d509923372549734877f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/bridge/netfilter/nf_conntrack_bridge.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": "5.10.265", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.152", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.104", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bridge: release template ct on non-IP path\n\nA bridge nftables ct zone set rule can attach a conntrack template to\nan skb before nf_ct_bridge_pre() sees it. For non-IPv4 and non-IPv6\nEtherTypes, nf_ct_bridge_pre() currently overwrites skb->_nfct with\nIP_CT_UNTRACKED without releasing the existing template reference.\n\nThat makes the per-cpu template, and any temporary templates allocated\nfor concurrent use, unreachable and leaks memory until the host runs out\nof slab.\n\nReset the skb conntrack state before marking the frame untracked so the\nexisting template reference is dropped on the non-IP path."}], "id": "CVE-2026-74625", "lastModified": "2026-08-22T16:16:35.390", "metrics": {}, "published": "2026-08-22T16:16:35.390", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/46d559f00b1ab1d114f92d2f16c5ef0093b3b9dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6ea88401e10e04e0b3bb7a7adea54932fb60b93b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7cff440d702616022769f2643168d7f9820547a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd7b16494dacf87e9336a1dcfdada83b9e40edd6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c58d34fe8b7e47bb0b350a7625023b1261342be5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d45cc8020d7c0a9f01dee42ff5c40bc14c9af72f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/daa6e070f8e1e7a4dddec8b64ca37663f8cda917"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc90df37540627d092af770215fb4b7befe9409b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,fc90df37540627d092af770215fb4b7befe9409b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,daa6e070f8e1e7a4dddec8b64ca37663f8cda917)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,bd7b16494dacf87e9336a1dcfdada83b9e40edd6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,6ea88401e10e04e0b3bb7a7adea54932fb60b93b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,46d559f00b1ab1d114f92d2f16c5ef0093b3b9dd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,c58d34fe8b7e47bb0b350a7625023b1261342be5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,7cff440d702616022769f2643168d7f9820547a0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3c171f496ef57774f8e5d509923372549734877f,d45cc8020d7c0a9f01dee42ff5c40bc14c9af72f)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.265,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.216,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.183,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.152,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.104,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.45,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.9,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T16:45:03.758420+00:00", "updated": "2026-08-22T19:30:17.298583+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401"]}