# ata: libata-scsi: fix DSM TRIM for sector sizes larger than 2048 bytes

CVE record · `CVE-2026-89586`

- **Identifiers:** `CVE-2026-89586`
- **State:** Confirmed
- **Severity:** CVSS 8.2 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, 19:44 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: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 07975b8daa3b0ab3cbc02cc48ea7bc48fadcec53` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before b7b5ab2df325ffbbad7ca2debaa071e024d68cb5` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 07baa310ea3224a7044b1ca84796bb37a235af1f` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 977554ed91b54075fbc0bac536316b4841ef6258` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 04e2befe25792f2e90097f284d7e86fc6bcfe928` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before c2e3dccd6870659851eaa4c12ab16418b8e3040a` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 4a4268a0b0a595bd9534cf9c7fda93775a7d8a0d` (git)
  - affected: `ef2d7392c4ece5c3cd12a6c7ca9366cd8f189aff to before 79cce911e623c0baa0fde307ce3a434e084b881a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.9`
  - unaffected: `before 4.9` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0062, the 50th 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-2026-89586](https://www.cve.org/CVERecord?id=CVE-2026-89586)
- [NVD: CVE-2026-89586](https://nvd.nist.gov/vuln/detail/CVE-2026-89586)

### References from the CNA

- <https://git.kernel.org/stable/c/07975b8daa3b0ab3cbc02cc48ea7bc48fadcec53>
- <https://git.kernel.org/stable/c/b7b5ab2df325ffbbad7ca2debaa071e024d68cb5>
- <https://git.kernel.org/stable/c/07baa310ea3224a7044b1ca84796bb37a235af1f>
- <https://git.kernel.org/stable/c/977554ed91b54075fbc0bac536316b4841ef6258>
- <https://git.kernel.org/stable/c/04e2befe25792f2e90097f284d7e86fc6bcfe928>
- <https://git.kernel.org/stable/c/c2e3dccd6870659851eaa4c12ab16418b8e3040a>
- <https://git.kernel.org/stable/c/4a4268a0b0a595bd9534cf9c7fda93775a7d8a0d>
- <https://git.kernel.org/stable/c/79cce911e623c0baa0fde307ce3a434e084b881a>

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-2026-89586>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-89586/>. Everything for agents: <https://agentprime.io/llms.txt>.