# mm/page_owner: use memcg_data snapshot to avoid TOCTOU in print_page_owner_memcg()

CVE record · `CVE-2026-93216`

- **Identifiers:** `CVE-2026-93216`
- **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:** 21 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: `fcf8935832b86d3437f00e732c6d0d4d2819d6a9 to before e7c1923c5f30a6953f0540e3171d882ec17b05d3` (git)
  - affected: `fcf8935832b86d3437f00e732c6d0d4d2819d6a9 to before a4c940ab3f794f221a338c9431ad1ce0d73a2bea` (git)
  - affected: `fcf8935832b86d3437f00e732c6d0d4d2819d6a9 to before 46761406e14381dc35f498c247a87565b87ea2ef` (git)
  - affected: `fcf8935832b86d3437f00e732c6d0d4d2819d6a9 to before 90f095b816e25c6a9e4446d299bac5007fdcb3df` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.18`
  - unaffected: `before 5.18` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, 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-2026-93216](https://www.cve.org/CVERecord?id=CVE-2026-93216)
- [NVD: CVE-2026-93216](https://nvd.nist.gov/vuln/detail/CVE-2026-93216)

### References from the CNA

- <https://git.kernel.org/stable/c/e7c1923c5f30a6953f0540e3171d882ec17b05d3>
- <https://git.kernel.org/stable/c/a4c940ab3f794f221a338c9431ad1ce0d73a2bea>
- <https://git.kernel.org/stable/c/46761406e14381dc35f498c247a87565b87ea2ef>
- <https://git.kernel.org/stable/c/90f095b816e25c6a9e4446d299bac5007fdcb3df>

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-2026-93216>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93216/>. Everything for agents: <https://agentprime.io/llms.txt>.