# bpf: Require MEM_PERCPU for percpu kptr stores

CVE record · `CVE-2026-98039`

- **Identifiers:** `CVE-2026-98039`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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: `36d8bdf75a93190e5669b9d1d95994e13e15ba1d to before aaa9cf7707d1c5c0d2ca9d40c8b71652ac1c3c3f` (git)
  - affected: `36d8bdf75a93190e5669b9d1d95994e13e15ba1d to before 0bdd6121c8dd5f1764efe701ce26bb8e15acb172` (git)
  - affected: `36d8bdf75a93190e5669b9d1d95994e13e15ba1d to before ad4ebae5dbc2d47b544aa54f03c12490065be08a` (git)
  - affected: `36d8bdf75a93190e5669b9d1d95994e13e15ba1d to before 048029ba1c793f8cabc4ad5eea765da01903f8f1` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.7`
  - unaffected: `before 6.7` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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 11 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98039](https://www.cve.org/CVERecord?id=CVE-2026-98039)
- [NVD: CVE-2026-98039](https://nvd.nist.gov/vuln/detail/CVE-2026-98039)

### References from the CNA

- <https://git.kernel.org/stable/c/aaa9cf7707d1c5c0d2ca9d40c8b71652ac1c3c3f>
- <https://git.kernel.org/stable/c/0bdd6121c8dd5f1764efe701ce26bb8e15acb172>
- <https://git.kernel.org/stable/c/ad4ebae5dbc2d47b544aa54f03c12490065be08a>
- <https://git.kernel.org/stable/c/048029ba1c793f8cabc4ad5eea765da01903f8f1>

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-2026-98039>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98039/>. Everything for agents: <https://agentprime.io/llms.txt>.