CVE-2026-64361

{"id": "CVE-2026-64361", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "67ecc81f6492275c9c54280532f558483c99c90e", "lessThan": "c8dd112173c02adf539fe2ad34a45f5e0068780d", "versionType": "git"}, {"status": "affected", "version": "a1a60e79502279f996e55052f50cc14919020475", "lessThan": "fc9d1447ca3cdc78d2e4ace1ce1f3a7c77ca08b1", "versionType": "git"}, {"status": "affected", "version": "fe2891a9c43ab87d1a210d61e6438ca6936e2f62", "lessThan": "671c3fcc2ad31c1311ea6414382a2d95104ae1b9", "versionType": "git"}, {"status": "affected", "version": "384a66b89f9540a9a8cb0f48807697dfabaece4c", "lessThan": "b6a481642ea1977be2f84dc08c5affd742c177e7", "versionType": "git"}, {"status": "affected", "version": "efc095b35b23297e419c2ab4fc1ed1a8f0781a29", "lessThan": "7399c3baee7bb622a92f0b895cd4d3009a693f2b", "versionType": "git"}, {"status": "affected", "version": "a431930c9bac518bf99d6b1da526a7f37ddee8d8", "lessThan": "607217f7ad419b53926f71e3f75001813bbc08ad", "versionType": "git"}, {"status": "affected", "version": "a431930c9bac518bf99d6b1da526a7f37ddee8d8", "lessThan": "c25d3c931a63e762fcaa9cb125b901c53b62403f", "versionType": "git"}, {"status": "affected", "version": "a431930c9bac518bf99d6b1da526a7f37ddee8d8", "lessThan": "966cb76fb2857a4242cab6ea2ea17acf818a3da7", "versionType": "git"}, {"status": "affected", "version": "e7d2dc2421e821e4045775e6dc226378328de6f6", "versionType": "git"}, {"status": "affected", "version": "fc7f732984ec91f30be3e574e0644066d07f2b78", "versionType": "git"}, {"status": "affected", "version": "eec522fd0d28106b14a59ab2d658605febe4a3bb", "versionType": "git"}, {"status": "affected", "version": "5.10.241", "lessThan": "5.10.261", "versionType": "semver"}, {"status": "affected", "version": "5.15.190", "lessThan": "5.15.212", "versionType": "semver"}, {"status": "affected", "version": "6.1.149", "lessThan": "6.1.178", "versionType": "semver"}, {"status": "affected", "version": "6.6.103", "lessThan": "6.6.145", "versionType": "semver"}, {"status": "affected", "version": "6.12.43", "lessThan": "6.12.97", "versionType": "semver"}, {"status": "affected", "version": "5.4.297", "lessThan": "5.5", "versionType": "semver"}, {"status": "affected", "version": "6.15.11", "lessThan": "6.16", "versionType": "semver"}, {"status": "affected", "version": "6.16.2", "lessThan": "6.17", "versionType": "semver"}], "programFiles": ["fs/hfs/bnode.c", "fs/hfsplus/hfsplus_fs.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"status": "unaffected", "version": "0", "lessThan": "6.17", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/hfs/bnode.c", "fs/hfsplus/hfsplus_fs.h"], "defaultStatus": "affected"}]}], "published": "2026-07-25T10:17:18.677", "references": [{"url": "https://git.kernel.org/stable/c/607217f7ad419b53926f71e3f75001813bbc08ad", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/671c3fcc2ad31c1311ea6414382a2d95104ae1b9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7399c3baee7bb622a92f0b895cd4d3009a693f2b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/966cb76fb2857a4242cab6ea2ea17acf818a3da7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b6a481642ea1977be2f84dc08c5affd742c177e7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c25d3c931a63e762fcaa9cb125b901c53b62403f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c8dd112173c02adf539fe2ad34a45f5e0068780d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fc9d1447ca3cdc78d2e4ace1ce1f3a7c77ca08b1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfs/hfsplus: fix u32 overflow in check_and_correct_requested_length\n\ncheck_and_correct_requested_length() compares (off + len) against\nnode_size using u32 arithmetic. When the caller passes a large len\nvalue (e.g. from an underflowed subtraction in hfs_brec_remove()),\noff + len can wrap past 2^32 and produce a small result, causing the\nbounds check to pass when it should fail.\n\nFor example, with off=14 and len=0xFFFFFFF2 (underflowed from\ndata_off - keyoffset - size in hfs_brec_remove), off + len wraps to 6,\nwhich is less than a typical node_size of 512, so the check passes and\nthe subsequent memmove reads ~4GB past the node buffer.\n\nFix this by widening the addition to u64 before comparing against\nnode_size. This prevents the u32 wrap while keeping the logic\nstraightforward."}], "lastModified": "2026-09-04T15:57:14.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A4268E9-3297-43A5-98D3-25B38D611EF5", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.297"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53448B82-A3AA-4290-BEDD-500EF591AC49", "versionEndExcluding": "5.10.261", "versionStartIncluding": "5.10.241"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0292639-5CDC-403C-9726-5755863452FA", "versionEndExcluding": "5.15.212", "versionStartIncluding": "5.15.190"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "06108194-F1DD-4616-B8D7-EAFF02E4822A", "versionEndExcluding": "6.1.178", "versionStartIncluding": "6.1.149"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2C90C7B7-1E18-4314-BB4E-74CFFC3E0998", "versionEndExcluding": "6.6.145", "versionStartIncluding": "6.6.103"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "816F4ADA-5A7E-4CAC-A67D-FBFD4F1A9F4A", "versionEndExcluding": "6.12.97", "versionStartIncluding": "6.12.43"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53FE35DC-2528-48D7-A855-1127CA02EE4D", "versionEndExcluding": "6.16", "versionStartIncluding": "6.15.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "52435846-D0E4-47F9-8100-FACB71F615D0", "versionEndExcluding": "6.18.40", "versionStartIncluding": "6.16.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6228DDD6-4557-4AA3-9F43-AB995D471E42", "versionEndExcluding": "7.1.4", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}