# fs/ntfs3: Use variable length array instead of fixed size

CVE record · `CVE-2024-38623`

- **Identifiers:** `CVE-2024-38623`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-129](https://cwe.mitre.org/data/definitions/129.html)
- **Tags:** [CWE-129](https://agentprime.io/advisories/tag/cwe-129.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 21 Jun 2024
- **Updated:** 5 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 21 Jun 2024, 10:18 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `4534a70b7056fd4b9a1c6db5a4ce3c98546b291e to before a2de301d90b782ac5d7a5fe32995caaee9ab3a0f` (git)
  - affected: `4534a70b7056fd4b9a1c6db5a4ce3c98546b291e to before 3839a9b19a4b70eff6b6ad70446f639f7fd5a3d7` (git)
  - affected: `4534a70b7056fd4b9a1c6db5a4ce3c98546b291e to before 1fe1c9dc21ee52920629d2d9b9bd84358931a8d1` (git)
  - affected: `4534a70b7056fd4b9a1c6db5a4ce3c98546b291e to before cceef44b34819c24bb6ed70dce5b524bd3e368d1` (git)
  - affected: `4534a70b7056fd4b9a1c6db5a4ce3c98546b291e to before 1997cdc3e727526aa5d84b32f7cbb3f56459b7ef` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `5.15.161 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.93 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.33 to 6.6.*, inclusive` (semver)
  - unaffected: `6.9.4 to 6.9.*, inclusive` (semver)
  - unaffected: `6.10 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux) (used for this record)
- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0052, the 44th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 21 Jun 2024. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2024-38623](https://www.cve.org/CVERecord?id=CVE-2024-38623)
- [NVD: CVE-2024-38623](https://nvd.nist.gov/vuln/detail/CVE-2024-38623)

### References from the CNA

- <https://git.kernel.org/stable/c/a2de301d90b782ac5d7a5fe32995caaee9ab3a0f>
- <https://git.kernel.org/stable/c/3839a9b19a4b70eff6b6ad70446f639f7fd5a3d7>
- <https://git.kernel.org/stable/c/1fe1c9dc21ee52920629d2d9b9bd84358931a8d1>
- <https://git.kernel.org/stable/c/cceef44b34819c24bb6ed70dce5b524bd3e368d1>
- <https://git.kernel.org/stable/c/1997cdc3e727526aa5d84b32f7cbb3f56459b7ef>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2024-38623>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2024-38623/>. Everything for agents: <https://agentprime.io/llms.txt>.