{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-41018", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.612Z", "datePublished": "2024-07-29T06:37:04.372Z", "dateUpdated": "2026-08-05T11:34:44.241Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:34:44.241Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Add a check for attr_names and oatbl\n\nAdded out-of-bound checking for *ane (ATTR_NAME_ENTRY)." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:L - The vulnerable parser is reached only through the local mount path (`mount()` → `ntfs_fill_super()` → `ntfs_loadlog_and_replay()` → `log_replay()`), requiring the attacker to present a crafted NTFS block device or image to the local system. No network or remote-peer input reaches this code.\nAC:L - Every value driving the overflow (`rst->attr_names_len`, `open_attr_len`, and each `ATTR_NAME_ENTRY.off`/`name_bytes`) comes verbatim from the attacker-authored `$LogFile`, so the out-of-bounds walk and the controlled-offset write trigger deterministically on the first mount with no race and no reliance on conditions outside the attacker's control.\nPR:L - On the realistic target (shared workstation, kiosk, automotive/embedded head unit) an unprivileged local user with a session can get a crafted NTFS volume mounted through udisks2/polkit removable-media automount or an fstab/mount helper, so basic local user access suffices rather than real root.\nUI:N - In the automount scenario the attacker triggers the mount themselves by attaching the media; no separate victim has to open a file, run a command, or take any action for `log_replay()` to parse the malicious log.\nS:U - The corruption is confined to kernel heap memory within the same kernel security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The unbounded `while (ane->off)` walk reads far past the end of the `attr_names` slab allocation, and the resulting heap corruption of adjacent slab objects (including planting a kernel heap pointer into neighbouring structures) is leverageable into broad kernel memory disclosure.\nI:H - `Add2Ptr(oatbl, le16_to_cpu(ane->off))` gives an attacker-chosen offset of up to 65535 bytes beyond a small `kmemdup()` allocation, at which the code writes an 8-byte kernel pointer plus two attacker-influenced bytes — a controlled out-of-bounds heap write suitable for overwriting adjacent objects and hijacking control flow.\nA:H - Even without full exploitation, the out-of-bounds reads and writes reliably corrupt slab memory or hit unmapped pages during mount, producing an oops or panic." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ntfs3/fslog.c" ], "versions": [ { "version": "e0b64e4ad2eb013fd3299e34e7fe5e19f321e140", "lessThan": "f3124d51e4e7b56a732419d8dc270e807252334f", "status": "affected", "versionType": "git" }, { "version": "865e7a7700d930d34895a70f8af2eb4e778a5b0e", "lessThan": "c114d2b88f8b226d4b2acf5a1ba0412cde6c31dd", "status": "affected", "versionType": "git" }, { "version": "865e7a7700d930d34895a70f8af2eb4e778a5b0e", "lessThan": "9b71f820f7168f1eab8378c80c7ea8a022a475bc", "status": "affected", "versionType": "git" }, { "version": "865e7a7700d930d34895a70f8af2eb4e778a5b0e", "lessThan": "702d4930eb06dcfda85a2fa67e8a1a27bfa2a845", "status": "affected", "versionType": "git" }, { "version": "653687cca0fdbf426c078b46c377c57bee49e837", "status": "affected", "versionType": "git" }, { "version": "6.6.19", "lessThan": "6.6.43", "status": "affected", "versionType": "semver" }, { "version": "6.7.7", "lessThan": "6.8", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ntfs3/fslog.c" ], "versions": [ { "version": "6.8", "status": "affected" }, { "version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.43", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9.12", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.10.2", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.11", "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:*:*:*:*:*:*:*:*", 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"https://git.kernel.org/stable/c/702d4930eb06dcfda85a2fa67e8a1a27bfa2a845" } ], "title": "fs/ntfs3: Add a check for attr_names and oatbl", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:56.071Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/f3124d51e4e7b56a732419d8dc270e807252334f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c114d2b88f8b226d4b2acf5a1ba0412cde6c31dd", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9b71f820f7168f1eab8378c80c7ea8a022a475bc", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/702d4930eb06dcfda85a2fa67e8a1a27bfa2a845", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-41018", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, 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