{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46072", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.095Z", "datePublished": "2026-05-27T12:58:00.299Z", "dateUpdated": "2026-06-01T16:17:57.341Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-01T16:17:57.341Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs3: add buffer boundary checks to run_unpack()\n\nrun_unpack() checks `run_buf < run_last` at the top of the while loop\nbut then reads size_size and offset_size bytes via run_unpack_s64()\nwithout verifying they fit within the remaining buffer.  A crafted NTFS\nimage with truncated run data in an MFT attribute triggers an OOB heap\nread of up to 15 bytes when the filesystem is mounted.\n\nAdd boundary checks before each run_unpack_s64() call to ensure the\ndeclared field size does not exceed the remaining buffer.\n\nFound by fuzzing with a source-patched harness (LibAFL + QEMU)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/run.c"], "versions": [{"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "bbad75336870b51b81979b97613746237fcb02fe", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "425de2aba0d061b3e715d51a3b1992c112ed5b99", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "bf7ac4a1d3bfc6e56e54635c3d331a68170d37c9", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "e64f7dfcaff79e7dfff9121a382dd77f9b462f62", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "d3012690a7065d9ca86521a525ad11e8af491d45", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "41aadf5cb482793a24e05aa136224e179a778586", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "b62567bca47408e6739dee75f02a2113548af875", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/run.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "5.15", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bbad75336870b51b81979b97613746237fcb02fe"}, {"url": "https://git.kernel.org/stable/c/425de2aba0d061b3e715d51a3b1992c112ed5b99"}, {"url": "https://git.kernel.org/stable/c/bf7ac4a1d3bfc6e56e54635c3d331a68170d37c9"}, {"url": "https://git.kernel.org/stable/c/e64f7dfcaff79e7dfff9121a382dd77f9b462f62"}, {"url": "https://git.kernel.org/stable/c/d3012690a7065d9ca86521a525ad11e8af491d45"}, {"url": "https://git.kernel.org/stable/c/41aadf5cb482793a24e05aa136224e179a778586"}, {"url": "https://git.kernel.org/stable/c/b62567bca47408e6739dee75f02a2113548af875"}], "title": "ntfs3: add buffer boundary checks to run_unpack()", "x_generator": {"engine": "bippy-1.2.0"}}}}