CVE-2026-80832

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80832", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.796Z", "datePublished": "2026-09-04T15:54:40.017Z", "dateUpdated": "2026-10-19T08:44:24.636Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:44:24.636Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qce - fix CCM AAD buffer underallocation\n\nThe AAD buffer allocated in qce_aead_ccm_prepare_buf_assoclen()\ncan be smaller than the length later programmed into the DMA\nscatterlist.\n\nThe allocation size is currently calculated as:\n\n ALIGN(assoclen, 16) + MAX_CCM_ADATA_HEADER_LEN\n\nwhile the DMA length is set to:\n\n ALIGN(assoclen + adata_header_len, 16)\n\nSince ALIGN() does not distribute over addition, the allocation\ncan be smaller than the DMA length. For example, when\nassoclen = 32 and adata_header_len = 2:\n\n allocation = ALIGN(32, 16) + 6 = 38\n DMA length = ALIGN(32 + 2, 16) = 48\n\nAs a result, the QCE hardware can read beyond the allocated\nbuffer while computing the CBC-MAC over the associated data.\nThe extra bytes are folded into the authentication tag,\nresulting in an incorrect tag and causing CCM self-test\nfailures such as:\n\n alg: aead: ccm-aes-qce encryption test failed (wrong result)\n on test vector 8\n\nFix the allocation by adding the maximum possible AAD header\nlength before alignment:\n\n ALIGN(assoclen + MAX_CCM_ADATA_HEADER_LEN, 16)\n\nThis guarantees that the allocated buffer is large enough\nfor the fully padded AAD data for all supported header sizes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/qce/aead.c"], "versions": [{"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "11775b35ce9f27e73d62188d7d38aa0dc0a219aa", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "c9e0f06a023107694698a7930616aeb460d91816", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "cc56d2b0d77cfeea061e98114992ee687d5eb4dd", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "002f1f99aef7ea631cb687fc17bce64e4963f6aa", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "2f65718b9c1095eef1ae9b374aa0384b1b083f3c", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "46a84efe2dbaddde89073a3c00c694486937c34b", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "4839f4c21f9c577eedef2919ced878a3057c7fc3", "status": "affected", "versionType": "git"}, {"version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "lessThan": "7f2345f47dd189625f657cd72437179ab4170ee1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/qce/aead.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.220", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.187", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.156", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.108", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.49", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.13", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.3", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.14", "versionEndExcluding": "5.15.220"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.187"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.108"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.49"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/11775b35ce9f27e73d62188d7d38aa0dc0a219aa"}, {"url": "https://git.kernel.org/stable/c/c9e0f06a023107694698a7930616aeb460d91816"}, {"url": "https://git.kernel.org/stable/c/cc56d2b0d77cfeea061e98114992ee687d5eb4dd"}, {"url": "https://git.kernel.org/stable/c/002f1f99aef7ea631cb687fc17bce64e4963f6aa"}, {"url": "https://git.kernel.org/stable/c/2f65718b9c1095eef1ae9b374aa0384b1b083f3c"}, {"url": "https://git.kernel.org/stable/c/46a84efe2dbaddde89073a3c00c694486937c34b"}, {"url": "https://git.kernel.org/stable/c/4839f4c21f9c577eedef2919ced878a3057c7fc3"}, {"url": "https://git.kernel.org/stable/c/7f2345f47dd189625f657cd72437179ab4170ee1"}], "title": "crypto: qce - fix CCM AAD buffer underallocation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/crypto/qce/aead.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "11775b35ce9f27e73d62188d7d38aa0dc0a219aa", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "c9e0f06a023107694698a7930616aeb460d91816", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "cc56d2b0d77cfeea061e98114992ee687d5eb4dd", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "002f1f99aef7ea631cb687fc17bce64e4963f6aa", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "2f65718b9c1095eef1ae9b374aa0384b1b083f3c", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "46a84efe2dbaddde89073a3c00c694486937c34b", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "4839f4c21f9c577eedef2919ced878a3057c7fc3", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}, {"lessThan": "7f2345f47dd189625f657cd72437179ab4170ee1", "status": "affected", "version": "9363efb4181c5e0fbf86bdfa759262aa29f0eb50", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/crypto/qce/aead.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"lessThan": "5.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.220", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.187", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.156", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.108", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.49", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.13", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\ncrypto: qce - fix CCM AAD buffer underallocation\n\nThe AAD buffer allocated in qce_aead_ccm_prepare_buf_assoclen()\ncan be smaller than the length later programmed into the DMA\nscatterlist.\n\nThe allocation size is currently calculated as:\n\n ALIGN(assoclen, 16) + MAX_CCM_ADATA_HEADER_LEN\n\nwhile the DMA length is set to:\n\n ALIGN(assoclen + adata_header_len, 16)\n\nSince ALIGN() does not distribute over addition, the allocation\ncan be smaller than the DMA length. For example, when\nassoclen = 32 and adata_header_len = 2:\n\n allocation = ALIGN(32, 16) + 6 = 38\n DMA length = ALIGN(32 + 2, 16) = 48\n\nAs a result, the QCE hardware can read beyond the allocated\nbuffer while computing the CBC-MAC over the associated data.\nThe extra bytes are folded into the authentication tag,\nresulting in an incorrect tag and causing CCM self-test\nfailures such as:\n\n alg: aead: ccm-aes-qce encryption test failed (wrong result)\n on test vector 8\n\nFix the allocation by adding the maximum possible AAD header\nlength before alignment:\n\n ALIGN(assoclen + MAX_CCM_ADATA_HEADER_LEN, 16)\n\nThis guarantees that the allocated buffer is large enough\nfor the fully padded AAD data for all supported header sizes."}], "id": "CVE-2026-80832", "lastModified": "2026-10-19T09:17:18.390", "metrics": {}, "published": "2026-09-04T16:18:11.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/002f1f99aef7ea631cb687fc17bce64e4963f6aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11775b35ce9f27e73d62188d7d38aa0dc0a219aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f65718b9c1095eef1ae9b374aa0384b1b083f3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/46a84efe2dbaddde89073a3c00c694486937c34b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4839f4c21f9c577eedef2919ced878a3057c7fc3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f2345f47dd189625f657cd72437179ab4170ee1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9e0f06a023107694698a7930616aeb460d91816"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cc56d2b0d77cfeea061e98114992ee687d5eb4dd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,11775b35ce927e73d62188d7d38aa0dc0a219aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,c9e0f06a023107694698a7930616aeb460d91816)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,cc56d2b0d77cfeea061e98114992ee687d5eb4dd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,002f1f99aef7ea631cb687fc17bce64e4963f6aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,2f65718b9c1095eef1ae9b374aa0384b1b083f3c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,46a84efe2dbaddde89073a3c00c694486937c34b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,4839f4c21f9c577eedef2919ced878a3057c7fc3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9363efb4181c5e0fbf86bdfa759262aa29f0eb50,7f2345f47dd189625f657cd72437179ab4170ee1)"}}], "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": "semver", "value": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.220,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.187,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.156,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.108,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.49,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.13,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.3,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-04T21:00:13.106799+00:00", "updated": "2026-09-05T04:15:07.486259+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-789", "CWE-119"]}