# ipmi: Fix use-after-free of cmd_rcvr in \_ipmi_destroy_user()

CVE record · `CVE-2026-89486`

- **Identifiers:** `CVE-2026-89486`
- **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, 19:43 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: `9e91f8a6c8688e27f4ccce7db457da87d6458836 to before 3088e41292fecf132f85f79af5ee4d620b9ff1b4` (git)
  - affected: `9e91f8a6c8688e27f4ccce7db457da87d6458836 to before 5dc0b2a9af95a97861c1bffaf1687a3173e395c5` (git)
  - affected: `9e91f8a6c8688e27f4ccce7db457da87d6458836 to before 05ec76cfbce653e07cec19b9b8b20e33449d5d87` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.16`
  - unaffected: `before 6.16` (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:** 0.0012, the 2nd 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-2026-89486](https://www.cve.org/CVERecord?id=CVE-2026-89486)
- [NVD: CVE-2026-89486](https://nvd.nist.gov/vuln/detail/CVE-2026-89486)

### References from the CNA

- <https://git.kernel.org/stable/c/3088e41292fecf132f85f79af5ee4d620b9ff1b4>
- <https://git.kernel.org/stable/c/5dc0b2a9af95a97861c1bffaf1687a3173e395c5>
- <https://git.kernel.org/stable/c/05ec76cfbce653e07cec19b9b8b20e33449d5d87>

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-2026-89486>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89486/>. Everything for agents: <https://agentprime.io/llms.txt>.