{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99135", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.394Z", "datePublished": "2026-10-28T10:34:47.902Z", "dateUpdated": "2026-10-28T10:34:47.902Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-28T10:34:47.902Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix infinite loop on discard with large tag size\n\nWhen integrity_metadata handles a discard, it fills a buffer with\nDISCARD_FILLER and writes it over the tags, max_blocks blocks at a\ntime. If the kmalloc fails, the buffer is the on-stack array\nchecksums_onstack and max_size is set to HASH_MAX_DIGESTSIZE. So if the\ntag size is larger than HASH_MAX_DIGESTSIZE, max_blocks is zero, bi_size\nis never decremented and the loop never terminates.\n\nFix this by using sizeof(checksums_onstack) as max_size. The array has\nMAX_TAG_SIZE bytes since commit b93b6643e9b5 (\"dm integrity: fix a\ncrash with unusually large tag size\"), so max_blocks is at least 1."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-integrity.c"], "versions": [{"version": "84597a44a9d86ac949900441cea7da0af0f2f473", "lessThan": "fc512700f1413fed652dac22fa1c4e837210b9c0", "status": "affected", "versionType": "git"}, {"version": "84597a44a9d86ac949900441cea7da0af0f2f473", "lessThan": "251b44b424920df9204e88a81fb3f78fa48ddd99", "status": "affected", "versionType": "git"}, {"version": "84597a44a9d86ac949900441cea7da0af0f2f473", "lessThan": "18d80c77b4c7dd20699e81cedfbbff4e9d198f28", "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/md/dm-integrity.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.59", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "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": "5.7", "versionEndExcluding": "6.18.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fc512700f1413fed652dac22fa1c4e837210b9c0"}, {"url": "https://git.kernel.org/stable/c/251b44b424920df9204e88a81fb3f78fa48ddd99"}, {"url": "https://git.kernel.org/stable/c/18d80c77b4c7dd20699e81cedfbbff4e9d198f28"}], "title": "dm-integrity: fix infinite loop on discard with large tag size", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/dm-integrity.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fc512700f1413fed652dac22fa1c4e837210b9c0", "status": "affected", "version": "84597a44a9d86ac949900441cea7da0af0f2f473", "versionType": "git"}, {"lessThan": "251b44b424920df9204e88a81fb3f78fa48ddd99", "status": "affected", "version": "84597a44a9d86ac949900441cea7da0af0f2f473", "versionType": "git"}, {"lessThan": "18d80c77b4c7dd20699e81cedfbbff4e9d198f28", "status": "affected", "version": "84597a44a9d86ac949900441cea7da0af0f2f473", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/md/dm-integrity.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.59", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "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\ndm-integrity: fix infinite loop on discard with large tag size\n\nWhen integrity_metadata handles a discard, it fills a buffer with\nDISCARD_FILLER and writes it over the tags, max_blocks blocks at a\ntime. If the kmalloc fails, the buffer is the on-stack array\nchecksums_onstack and max_size is set to HASH_MAX_DIGESTSIZE. So if the\ntag size is larger than HASH_MAX_DIGESTSIZE, max_blocks is zero, bi_size\nis never decremented and the loop never terminates.\n\nFix this by using sizeof(checksums_onstack) as max_size. The array has\nMAX_TAG_SIZE bytes since commit b93b6643e9b5 (\"dm integrity: fix a\ncrash with unusually large tag size\"), so max_blocks is at least 1."}], "id": "CVE-2026-99135", "lastModified": "2026-10-28T11:17:33.400", "metrics": {}, "published": "2026-10-28T11:17:33.400", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18d80c77b4c7dd20699e81cedfbbff4e9d198f28"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/251b44b424920df9204e88a81fb3f78fa48ddd99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc512700f1413fed652dac22fa1c4e837210b9c0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,fc512700f1413fed652dac22fa1c4e837210b9c0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,251b44b424920df9204e88a81fb3f78fa48ddd99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,18d80c77b4c7dd20699e81cedfbbff4e9d198f28)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,fc512700f1413fed652dac22fa1c4e837210b9c0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,251b44b424920df9204e88a81fb3f78fa48ddd99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[84597a44a9d86ac949900441cea7da0af0f2f473,18d80c77b4c7dd20699e81cedfbbff4e9d198f28)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"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": "5.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-28T12:45:16.181796+00:00", "updated": "2026-10-28T15:45:07.508281+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-458"]}