{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68125", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.369Z", "datePublished": "2026-08-10T11:58:46.198Z", "dateUpdated": "2026-08-10T11:58:46.198Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:58:46.198Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: llsec: reject frames shorter than the authentication tag\n\nllsec_do_decrypt_auth() computes the associated-data length for the\nAEAD request as\n\n\tassoclen += datalen - authlen;\n\nwhere datalen is the number of bytes after the MAC header and authlen\n(4, 8 or 16) is the length of the authentication tag. Nothing verifies\nthat the frame actually carries at least authlen payload bytes. A\nsecured frame whose payload is shorter than the tag makes\ndatalen - authlen negative; assoclen is then passed to\naead_request_set_ad() as an unsigned value close to 4 GiB, so\ncrypto_aead_decrypt() walks far off the end of the scatterlist that\nonly spans the real frame.\n\nThe frame is fully attacker-controlled and reaches this path from any\nIEEE 802.15.4 peer in radio range. Reject frames whose payload is\nshorter than the authentication tag before the subtraction.\n\nDynamically reproduced on a KASAN kernel as a general-protection-fault\nin the AEAD scatterwalk, and the fix confirmed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac802154/llsec.c"], "versions": [{"version": "4c14a2fb5d143e4ed94143be2b8c1961b47df9af", "lessThan": "5bbf0cd9b6a7076af86c75e87e180099be2e11ae", "status": "affected", "versionType": "git"}, {"version": "4c14a2fb5d143e4ed94143be2b8c1961b47df9af", "lessThan": "de80808f37d99c6dc67bb6f97eea00c8f57a8821", "status": "affected", "versionType": "git"}, {"version": "4c14a2fb5d143e4ed94143be2b8c1961b47df9af", "lessThan": "f20dedce0429b293d4bad604e0d3f65d8ac96c83", "status": "affected", "versionType": "git"}, {"version": "4c14a2fb5d143e4ed94143be2b8c1961b47df9af", "lessThan": "e09e0301d616c1ef38a5e64e8e4326fd39df13cc", "status": "affected", "versionType": "git"}, {"version": "4c14a2fb5d143e4ed94143be2b8c1961b47df9af", "lessThan": "fd3a3f28ed60c6af4b2a39933b151d6b27842c3b", "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/mac802154/llsec.c"], "versions": [{"version": "3.16", "status": "affected"}, {"version": "0", "lessThan": "3.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc5", "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": "3.16", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "7.2-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5bbf0cd9b6a7076af86c75e87e180099be2e11ae"}, {"url": "https://git.kernel.org/stable/c/de80808f37d99c6dc67bb6f97eea00c8f57a8821"}, {"url": "https://git.kernel.org/stable/c/f20dedce0429b293d4bad604e0d3f65d8ac96c83"}, {"url": "https://git.kernel.org/stable/c/e09e0301d616c1ef38a5e64e8e4326fd39df13cc"}, {"url": "https://git.kernel.org/stable/c/fd3a3f28ed60c6af4b2a39933b151d6b27842c3b"}], "title": "mac802154: llsec: reject frames shorter than the authentication tag", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c14a2fb5d143e4ed94143be2b8c1961b47df9af,5bbf0cd9b6a7076af86c75e87e180099be2e11ae)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c14a2fb5d143e4ed94143be2b8c1961b47df9af,de80808f37d99c6dc67bb6f97eea00c8f57a8821)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c14a2fb5d143e4ed94143be2b8c1961b47df9af,f20dedce0429b293d4bad604e0d3f65d8ac96c83)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c14a2fb5d143e4ed94143be2b8c1961b47df9af,e09e0301d616c1ef38a5e64e8e4326fd39df13cc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c14a2fb5d143e4ed94143be2b8c1961b47df9af,fd3a3f28ed60c6af4b2a39933b151d6b27842c3b)"}}], "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": "3.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*]"}}], "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": "2026-08-10T14:45:17.924608+00:00", "updated": "2026-08-10T14:45:17.924658+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}