Security readout for executives and security teams
Plain-English summary
A Linux kernel flaw in NTFS3 attribute processing involves an incorrect overflow check. The supplied CVSS assessment indicates potentially severe confidentiality, integrity, and availability impact. Exploitation requires a local path, so exposure depends on the affected kernel code being present and reachable.
Executive priority
Treat this as a high-priority kernel update, especially on multi-user systems or hosts using NTFS3. It is not supported as an internet-direct or actively exploited emergency by the supplied evidence, but its rated impact warrants prompt exposure assessment and normal expedited patching.
Technical view
CVE-2024-27407 is a CWE-120 weakness in fs/ntfs3 function mi_enum_attr(). Linux stable commits correct the overflow check. CVSS 3.1 is 8.4: local vector, low complexity, no privileges, no user interaction, unchanged scope, and high impact across confidentiality, integrity, and availability.
Likely exposure
The bundle identifies Linux 5.15, 6.1.120, 6.6.19, 6.7.7, and 6.8 as affected; its additional “0” entry is ambiguous. Prioritize hosts running vendor kernels derived from affected lines where NTFS3 is enabled or used. Distribution backports may change exposure without changing the apparent kernel version.
Exploitation context
The CVSS vector characterizes exploitation as local, low complexity, requiring neither privileges nor user interaction. The supplied sources provide no evidence of active exploitation, and the CVE is not listed as KEV. KEV absence does not prove exploitation has never occurred.
Researcher notes
The public bundle gives only a short root-cause statement and stable commit references. It does not document a proof of concept, observed exploitation, trigger conditions, or a complete distribution-specific version matrix. The affected-version data also contains duplicate commit entries and an ambiguous “0,” so vendor package advisories should control final applicability decisions.
Mitigation direction
- Apply kernel or distribution security updates incorporating the referenced stable fixes.
- Confirm vendor backport status instead of relying only on the displayed kernel version.
- Prioritize systems using NTFS3 or permitting untrusted local activity.
- If updates are delayed, consult vendor guidance; the bundle names no workaround.
Validation and detection
- Inventory running kernel versions across Linux systems.
- Determine whether NTFS3 is enabled or actively used on affected hosts.
- Compare vendor package status with the referenced Linux stable commits.
- After updating, confirm the fixed kernel is the active running kernel.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-27407 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9LinuxVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/e99faa97359654b6e4e769246c72cf50a57e05b2CVE reference, Linux
- https://git.kernel.org/stable/c/8c77398c72618101d66480b94b34fe9087ee3d08CVE reference, Linux
- https://git.kernel.org/stable/c/1c0a95d99b1b2b5d842e5abc7ef7eed1193b60d7CVE reference, Linux
- https://git.kernel.org/stable/c/652cfeb43d6b9aba5c7c4902bed7a7340df131fbCVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.htmlCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.