# dm-pcache: validate the persisted dirty_tail chain at load

CVE record · `CVE-2026-93198`

- **Identifiers:** `CVE-2026-93198`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:12 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: `1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 to before 8195cf3f4a82ef49d9b0651c507ed0784caf23fb` (git)
  - affected: `1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 to before 4822a030929e0e77aa380722dc42e3e4c9edd346` (git)
  - affected: `1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 to before 58d620ee9e01d4bdbceaf2ae1450d307a2a9d58b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.18`
  - unaffected: `before 6.18` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 10th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93198](https://www.cve.org/CVERecord?id=CVE-2026-93198)
- [NVD: CVE-2026-93198](https://nvd.nist.gov/vuln/detail/CVE-2026-93198)

### References from the CNA

- <https://git.kernel.org/stable/c/8195cf3f4a82ef49d9b0651c507ed0784caf23fb>
- <https://git.kernel.org/stable/c/4822a030929e0e77aa380722dc42e3e4c9edd346>
- <https://git.kernel.org/stable/c/58d620ee9e01d4bdbceaf2ae1450d307a2a9d58b>

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-2026-93198>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93198/>. Everything for agents: <https://agentprime.io/llms.txt>.