# erofs: cap LZMA stream pool size

CVE record · `CVE-2026-80892`

- **Identifiers:** `CVE-2026-80892`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 4 Sept 2026
- **Updated:** 6 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 17:11 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: `622ceaddb7649ca328832f50ba1400af778d75fa to before 682cb3ece37fc5141e73bc726ccf4adb833e5189` (git)
  - affected: `622ceaddb7649ca328832f50ba1400af778d75fa to before e8b3d09aa8889dda9be9cbb3d2f0218c4b9acde4` (git)
  - affected: `622ceaddb7649ca328832f50ba1400af778d75fa to before 0c676903cb2a61992ded8e7907609cc6b0f11744` (git)
  - affected: `622ceaddb7649ca328832f50ba1400af778d75fa to before 5aaa06dfc10f8398c8807453dbec738ea9af10e4` (git)
  - affected: `622ceaddb7649ca328832f50ba1400af778d75fa to before e52da169b8c0d19bb2d803f2a07fe0e5a00462d6` (git)
  - affected: `622ceaddb7649ca328832f50ba1400af778d75fa to before c9b47e6b23114e939b17f818471c7a46e59006e7` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.16`
  - unaffected: `before 5.16` (semver)
  - unaffected: `6.1.184 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.151 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.103 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.44 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.8 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2 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

No source has published a CVSS score for this record yet.

- **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

- 4 Sept 2026, 17:11 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-80892)
- 4 Sept 2026, 18:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-80892)

## Sources

- [CVE List: CVE-2026-80892](https://www.cve.org/CVERecord?id=CVE-2026-80892)
- [NVD: CVE-2026-80892](https://nvd.nist.gov/vuln/detail/CVE-2026-80892)

### References from the CNA

- <https://git.kernel.org/stable/c/682cb3ece37fc5141e73bc726ccf4adb833e5189>
- <https://git.kernel.org/stable/c/e8b3d09aa8889dda9be9cbb3d2f0218c4b9acde4>
- <https://git.kernel.org/stable/c/0c676903cb2a61992ded8e7907609cc6b0f11744>
- <https://git.kernel.org/stable/c/5aaa06dfc10f8398c8807453dbec738ea9af10e4>
- <https://git.kernel.org/stable/c/e52da169b8c0d19bb2d803f2a07fe0e5a00462d6>
- <https://git.kernel.org/stable/c/c9b47e6b23114e939b17f818471c7a46e59006e7>

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-2026-80892>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80892/>. Everything for agents: <https://agentprime.io/llms.txt>.