# fs/ntfs3: fix info-leak on partial LZNT decompress in ni_read_frame()

CVE record · `CVE-2026-89616`

- **Identifiers:** `CVE-2026-89616`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 7d60a4c49af4d5cb88aa7cbf998d0408bd415055` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before cd40eee4923d104ebec9ac7513b971bc441e431d` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 77d8efd04745cda23858546afdbd9d07b591758e` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 0f699ddb290a24b37e1bc9bf1e3c9dbccf564bea` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 376ee45659a4b943df672ad275c63da00655f929` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 4a1b39b2e10eb8de86265e80cf2be4396bc1dce4` (git)
  - affected: `4342306f0f0d5ff4315a204d315c1b51b914fca5 to before 35d1ea92c7d946e2ebdbe36cdb2c969c8704bebd` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 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

- 7.5 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0042, the 36th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89616](https://www.cve.org/CVERecord?id=CVE-2026-89616)
- [NVD: CVE-2026-89616](https://nvd.nist.gov/vuln/detail/CVE-2026-89616)

### References from the CNA

- <https://git.kernel.org/stable/c/7d60a4c49af4d5cb88aa7cbf998d0408bd415055>
- <https://git.kernel.org/stable/c/cd40eee4923d104ebec9ac7513b971bc441e431d>
- <https://git.kernel.org/stable/c/77d8efd04745cda23858546afdbd9d07b591758e>
- <https://git.kernel.org/stable/c/0f699ddb290a24b37e1bc9bf1e3c9dbccf564bea>
- <https://git.kernel.org/stable/c/376ee45659a4b943df672ad275c63da00655f929>
- <https://git.kernel.org/stable/c/4a1b39b2e10eb8de86265e80cf2be4396bc1dce4>
- <https://git.kernel.org/stable/c/35d1ea92c7d946e2ebdbe36cdb2c969c8704bebd>

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-2026-89616>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89616/>. Everything for agents: <https://agentprime.io/llms.txt>.