# ecryptfs: release message context on send failure

CVE record · `CVE-2026-89605`

- **Identifiers:** `CVE-2026-89605`
- **State:** Confirmed
- **Severity:** CVSS 7.8 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: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 177e0c32fec3602bb3b64139bb8bb610cd6722c7` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 743e7aeb9575c0838d8996d40d81a6b8fa5cd060` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 590fc6140e29c54d2f7839eb9df78d106ee1905e` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 30845ed227475a11a49ccce047837d016b7e0f49` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 47ce611cb13f0eefa550d5434c1afcd4217bfc3e` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 9319706316a8e79f374627554386d575a84b637f` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 654b7e79443f5ea90849f5c1cf70c0d94bd5b10e` (git)
  - affected: `f66e883eb6186bc43a79581b67aff7d1a69d0ff1 to before 219644a3ad5518217b2d62cad6d2c36a2308c949` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.26`
  - unaffected: `before 2.6.26` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (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

- 7.8 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)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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-2026-89605](https://www.cve.org/CVERecord?id=CVE-2026-89605)
- [NVD: CVE-2026-89605](https://nvd.nist.gov/vuln/detail/CVE-2026-89605)

### References from the CNA

- <https://git.kernel.org/stable/c/177e0c32fec3602bb3b64139bb8bb610cd6722c7>
- <https://git.kernel.org/stable/c/743e7aeb9575c0838d8996d40d81a6b8fa5cd060>
- <https://git.kernel.org/stable/c/590fc6140e29c54d2f7839eb9df78d106ee1905e>
- <https://git.kernel.org/stable/c/30845ed227475a11a49ccce047837d016b7e0f49>
- <https://git.kernel.org/stable/c/47ce611cb13f0eefa550d5434c1afcd4217bfc3e>
- <https://git.kernel.org/stable/c/9319706316a8e79f374627554386d575a84b637f>
- <https://git.kernel.org/stable/c/654b7e79443f5ea90849f5c1cf70c0d94bd5b10e>
- <https://git.kernel.org/stable/c/219644a3ad5518217b2d62cad6d2c36a2308c949>

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-2026-89605>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89605/>. Everything for agents: <https://agentprime.io/llms.txt>.