# kasan: fix cache shrink race with CPU hotplug

CVE record · `CVE-2026-93208`

- **Identifiers:** `CVE-2026-93208`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:10 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: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before eab61c0781cbe899e074c0009af304f3b337e0c9` (git)
  - affected: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before 7cd164f0e1bab0f8dd125c92ed4f19bbd6b92a4a` (git)
  - affected: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before 709c3646545e0a1f99a5816384c633f6552c5a98` (git)
  - affected: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before 30e8cb8598aa41b1b9f8803081d2ae5e5369c0f3` (git)
  - affected: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before 3119d58e4ef8719d669911d38a53fc00086ac48b` (git)
  - affected: `07d067e4f2ceb72b9f681995cc53828caaba9e6e to before 8790303cbaac52a11dfed4aab261f8ea60682525` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.19`
  - unaffected: `before 5.19` (semver)
  - unaffected: `6.1.191 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93208](https://www.cve.org/CVERecord?id=CVE-2026-93208)
- [NVD: CVE-2026-93208](https://nvd.nist.gov/vuln/detail/CVE-2026-93208)

### References from the CNA

- <https://git.kernel.org/stable/c/eab61c0781cbe899e074c0009af304f3b337e0c9>
- <https://git.kernel.org/stable/c/7cd164f0e1bab0f8dd125c92ed4f19bbd6b92a4a>
- <https://git.kernel.org/stable/c/709c3646545e0a1f99a5816384c633f6552c5a98>
- <https://git.kernel.org/stable/c/30e8cb8598aa41b1b9f8803081d2ae5e5369c0f3>
- <https://git.kernel.org/stable/c/3119d58e4ef8719d669911d38a53fc00086ac48b>
- <https://git.kernel.org/stable/c/8790303cbaac52a11dfed4aab261f8ea60682525>

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-2026-93208>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93208/>. Everything for agents: <https://agentprime.io/llms.txt>.