Security readout for executives and security teams
Plain-English summary
This CVE is a Linux kernel ntfs3 filesystem memory-safety issue involving a fixed-size buffer used while setting an NTFS volume label. The supplied metadata rates it critical, but the source bundle does not show real-world exploitation, affected distributions, or a complete attack path.
Executive priority
Prioritize this for Linux patch governance because the published CVSS is critical and kernel memory corruption can carry high impact. Urgency is highest where NTFS filesystems are handled. Active exploitation is not supported by the provided sources.
Technical view
The kernel fix changes ntfs_set_label() to use variable-length storage instead of a fixed-size array after a static analysis warning that uni->name was too small for a memcpy operation. The bundle maps this to CWE-129 and CVSS 3.1 score 9.8, but provides limited exploitability detail.
Likely exposure
Potentially exposed assets are Linux systems running affected kernel versions with the ntfs3 driver code present. Practical exposure likely depends on whether those systems process NTFS filesystems or volume labels. The bundle does not identify affected Linux distributions, vendor backports, containers, or appliances.
Exploitation context
The bundle says CISA KEV status is false and gives no cited evidence of active exploitation. It also does not provide a proof of concept, exploit maturity, or attacker preconditions beyond the CVSS vector. Treat exploitation evidence as incomplete.
Researcher notes
The main evidence is the upstream kernel fix and CVE metadata. The source bundle is thin: it lacks detailed root-cause analysis, triggering conditions, distribution impact, and exploitability confirmation. Validate against the actual kernel patch and downstream vendor backports.
Mitigation direction
- Inventory Linux kernel versions across servers, endpoints, and appliances.
- Check vendor kernel advisories for backported fixes for CVE-2024-38623.
- Prioritize patching affected kernels that use or process NTFS filesystems.
- Limit unnecessary NTFS filesystem handling until vendor guidance is confirmed.
- Track the listed stable kernel commits as fix references.
Validation and detection
- Confirm running kernel versions against vendor advisories and fixed stable branches.
- Check whether ntfs3 support is built in or loadable on exposed systems.
- Review asset workflows that mount or inspect NTFS media or images.
- Verify patch status after update using the vendor package changelog.
- Monitor security advisories for exploit evidence or distribution-specific notes.
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-129: 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-2024-38623 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/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
1 official scoreWe 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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/a2de301d90b782ac5d7a5fe32995caaee9ab3a0fCVE reference, Linux
- https://git.kernel.org/stable/c/3839a9b19a4b70eff6b6ad70446f639f7fd5a3d7CVE reference, Linux
- https://git.kernel.org/stable/c/1fe1c9dc21ee52920629d2d9b9bd84358931a8d1CVE reference, Linux
- https://git.kernel.org/stable/c/cceef44b34819c24bb6ed70dce5b524bd3e368d1CVE reference, Linux
- https://git.kernel.org/stable/c/1997cdc3e727526aa5d84b32f7cbb3f56459b7efCVE reference, Linux
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.
Improper Validation of Array Index
Improper Validation of Array Index represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.