{"api_version":"1","generated_at":"2026-10-28T16:52:39+00:00","cve":"CVE-2026-99098","urls":{"html":"https://cve.report/CVE-2026-99098","api":"https://cve.report/api/cve/CVE-2026-99098.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-99098","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-99098"},"summary":{"title":"dm-integrity: fix buffer overflow in inline mode with large tag size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix buffer overflow in inline mode with large tag size\n\nIn inline mode, dm_integrity_check and dm_integrity_inline_recheck\ncompute the checksum of each block into an on-stack buffer of\nHASH_MAX_DIGESTSIZE bytes. integrity_sector_checksum pads its result\nwith zeroes up to the tag size, so if the tag size is larger than\nHASH_MAX_DIGESTSIZE, the padding runs past the end of the buffer. With\nCONFIG_STACKPROTECTOR the kernel panics in dm_integrity_check on the\nfirst read.\n\nEnlarge both buffers to hold MAX_TAG_SIZE bytes, as commit b93b6643e9b5\n(\"dm integrity: fix a crash with unusually large tag size\") did for\nintegrity_metadata.\n\nNote that this is not a security bug because the buffer overflow can only\nbe triggered by root.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-26 15:16:48","updated_at":"2026-10-26 15:16:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3c7aad85aeb9e28386672e3a009aa2e61f751b86","name":"https://git.kernel.org/stable/c/3c7aad85aeb9e28386672e3a009aa2e61f751b86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f49cd7820cd0a96f20e1aa2708adb002124e38a7","name":"https://git.kernel.org/stable/c/f49cd7820cd0a96f20e1aa2708adb002124e38a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4f0ee735dc68e3e6c4dd9a666d7f7047163c4165","name":"https://git.kernel.org/stable/c/4f0ee735dc68e3e6c4dd9a666d7f7047163c4165","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/764b683a6180fd72c931c13fea98d383506a3475","name":"https://git.kernel.org/stable/c/764b683a6180fd72c931c13fea98d383506a3475","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-99098","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99098","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb0987682c629c1d2c476f35f6fde405a5e304a4 3c7aad85aeb9e28386672e3a009aa2e61f751b86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb0987682c629c1d2c476f35f6fde405a5e304a4 4f0ee735dc68e3e6c4dd9a666d7f7047163c4165 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb0987682c629c1d2c476f35f6fde405a5e304a4 f49cd7820cd0a96f20e1aa2708adb002124e38a7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb0987682c629c1d2c476f35f6fde405a5e304a4 764b683a6180fd72c931c13fea98d383506a3475 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.114 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.57 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.11 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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":"3c7aad85aeb9e28386672e3a009aa2e61f751b86","status":"affected","version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","versionType":"git"},{"lessThan":"4f0ee735dc68e3e6c4dd9a666d7f7047163c4165","status":"affected","version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","versionType":"git"},{"lessThan":"f49cd7820cd0a96f20e1aa2708adb002124e38a7","status":"affected","version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","versionType":"git"},{"lessThan":"764b683a6180fd72c931c13fea98d383506a3475","status":"affected","version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","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":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.114","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.57","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.114","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.57","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.11","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix buffer overflow in inline mode with large tag size\n\nIn inline mode, dm_integrity_check and dm_integrity_inline_recheck\ncompute the checksum of each block into an on-stack buffer of\nHASH_MAX_DIGESTSIZE bytes. integrity_sector_checksum pads its result\nwith zeroes up to the tag size, so if the tag size is larger than\nHASH_MAX_DIGESTSIZE, the padding runs past the end of the buffer. With\nCONFIG_STACKPROTECTOR the kernel panics in dm_integrity_check on the\nfirst read.\n\nEnlarge both buffers to hold MAX_TAG_SIZE bytes, as commit b93b6643e9b5\n(\"dm integrity: fix a crash with unusually large tag size\") did for\nintegrity_metadata.\n\nNote that this is not a security bug because the buffer overflow can only\nbe triggered by root."}],"providerMetadata":{"dateUpdated":"2026-10-26T14:52:04.416Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3c7aad85aeb9e28386672e3a009aa2e61f751b86"},{"url":"https://git.kernel.org/stable/c/4f0ee735dc68e3e6c4dd9a666d7f7047163c4165"},{"url":"https://git.kernel.org/stable/c/f49cd7820cd0a96f20e1aa2708adb002124e38a7"},{"url":"https://git.kernel.org/stable/c/764b683a6180fd72c931c13fea98d383506a3475"}],"title":"dm-integrity: fix buffer overflow in inline mode with large tag size","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-99098","datePublished":"2026-10-26T14:52:04.416Z","dateReserved":"2026-09-25T10:25:14.391Z","dateUpdated":"2026-10-26T14:52:04.416Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-26 15:16:48","lastModifiedDate":"2026-10-26 15:16:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"99098","Ordinal":"1","Title":"dm-integrity: fix buffer overflow in inline mode with large tag ","CVE":"CVE-2026-99098","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"99098","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix buffer overflow in inline mode with large tag size\n\nIn inline mode, dm_integrity_check and dm_integrity_inline_recheck\ncompute the checksum of each block into an on-stack buffer of\nHASH_MAX_DIGESTSIZE bytes. integrity_sector_checksum pads its result\nwith zeroes up to the tag size, so if the tag size is larger than\nHASH_MAX_DIGESTSIZE, the padding runs past the end of the buffer. With\nCONFIG_STACKPROTECTOR the kernel panics in dm_integrity_check on the\nfirst read.\n\nEnlarge both buffers to hold MAX_TAG_SIZE bytes, as commit b93b6643e9b5\n(\"dm integrity: fix a crash with unusually large tag size\") did for\nintegrity_metadata.\n\nNote that this is not a security bug because the buffer overflow can only\nbe triggered by root.","Type":"Description","Title":"dm-integrity: fix buffer overflow in inline mode with large tag "}]}}}