{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50248","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-10-21T19:36:19.978Z","datePublished":"2024-11-09T10:14:56.965Z","dateUpdated":"2026-08-05T11:42:45.435Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-05T11:42:45.435Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs3: Add bounds checking to mi_enum_attr()\n\nAdded bounds checking to make sure that every attr don't stray beyond\nvalid memory region."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:L - The vulnerability is triggered by parsing attacker-crafted MFT records from an NTFS volume, which requires the image to be mounted on the local system (loop device, USB stick, or automounted removable media). There is no network-facing path into `mi_enum_attr()`.\nAC:L - The attacker fully controls every field involved (`rec->attr_off`, `rec->used`, `rec->total`, `attr->size`) and the overread is deterministic on the first attribute enumeration — no race, timing window, or uncontrolled memory-layout condition is involved.\nPR:L - An unprivileged local user can get an arbitrary NTFS image mounted on common desktop/kiosk configurations via udisks2/systemd automount of removable media, or via `user`-option/loop mounts; no root in the initial namespace is needed for the realistic scenario.\nUI:N - In the highest-impact scenario the attacker supplies and mounts the malicious volume themselves (inserting media that is auto-mounted, or loop-mounting their own image), so no action by a separate victim is required.\nS:U - The out-of-bounds access stays within the kernel's own memory and security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `attr->size` is dereferenced at an attacker-influenced offset beyond the `kmalloc()`ed MFT record buffer, reading adjacent kernel heap contents; the commit's own framing is that attributes could \"stray beyond valid memory region\", so the read is not reliably bounded.\nI:N - The defect is purely a read of `attr->size`; the surviving `off + asize > used` boundary test still constrains any attribute handed back to callers, so no out-of-bounds write or control-flow corruption primitive arises.\nA:H - The out-of-bounds dereference can hit an unmapped page or trip KASAN/hardened-allocator checks, producing a kernel oops or panic and denying service to the whole system."}]}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ntfs3/record.c"],"versions":[{"version":"4534a70b7056fd4b9a1c6db5a4ce3c98546b291e","lessThan":"386613a44b858304a88529ade2ccc1e079a5fc56","status":"affected","versionType":"git"},{"version":"4534a70b7056fd4b9a1c6db5a4ce3c98546b291e","lessThan":"22cdf3be7d34f61a91b9e2966fec3a29f3871398","status":"affected","versionType":"git"},{"version":"4534a70b7056fd4b9a1c6db5a4ce3c98546b291e","lessThan":"809f9b419c75f8042c58434d2bfe849140643e9d","status":"affected","versionType":"git"},{"version":"4534a70b7056fd4b9a1c6db5a4ce3c98546b291e","lessThan":"556bdf27c2dd5c74a9caacbe524b943a6cd42d99","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/record.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"6.1.120","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.60","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.11.7","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.60"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.11.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/386613a44b858304a88529ade2ccc1e079a5fc56"},{"url":"https://git.kernel.org/stable/c/22cdf3be7d34f61a91b9e2966fec3a29f3871398"},{"url":"https://git.kernel.org/stable/c/809f9b419c75f8042c58434d2bfe849140643e9d"},{"url":"https://git.kernel.org/stable/c/556bdf27c2dd5c74a9caacbe524b943a6cd42d99"}],"title":"ntfs3: Add bounds checking to mi_enum_attr()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:44:37.543Z"}}]}}