# perf/x86/intel: Prevent drain_pebs() reentry

CVE record · `CVE-2026-97960`

- **Identifiers:** `CVE-2026-97960`
- **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:** 21 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: `b752ea0c28e3f7f0aaaad6abf84f735eebc37a60 to before 9882068ed242fcd4743f53027e8c790e88dcafff` (git)
  - affected: `b752ea0c28e3f7f0aaaad6abf84f735eebc37a60 to before 999e482fdf89400cc1ae937680fc05096b4c915b` (git)
  - affected: `b752ea0c28e3f7f0aaaad6abf84f735eebc37a60 to before a5fe19dd8b3ed5fad6e5e0f0c58c7245043ee4af` (git)
  - affected: `b752ea0c28e3f7f0aaaad6abf84f735eebc37a60 to before c55599c0ec2aa020e41a0599c3044c56d8a2e7d9` (git)
  - affected: `b752ea0c28e3f7f0aaaad6abf84f735eebc37a60 to before a56c03a397e2cd0c4cf8da96dcd6214f7d0e7d8c` (git)
  - affected: `a9165207b2b07415eeb01b3ac8bb84976ec96984` (git)
  - affected: `6.3.7 to before 6.4` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.4`
  - unaffected: `before 6.4` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 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 12 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-2026-97960](https://www.cve.org/CVERecord?id=CVE-2026-97960)
- [NVD: CVE-2026-97960](https://nvd.nist.gov/vuln/detail/CVE-2026-97960)

### References from the CNA

- <https://git.kernel.org/stable/c/9882068ed242fcd4743f53027e8c790e88dcafff>
- <https://git.kernel.org/stable/c/999e482fdf89400cc1ae937680fc05096b4c915b>
- <https://git.kernel.org/stable/c/a5fe19dd8b3ed5fad6e5e0f0c58c7245043ee4af>
- <https://git.kernel.org/stable/c/c55599c0ec2aa020e41a0599c3044c56d8a2e7d9>
- <https://git.kernel.org/stable/c/a56c03a397e2cd0c4cf8da96dcd6214f7d0e7d8c>

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-2026-97960>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97960/>. Everything for agents: <https://agentprime.io/llms.txt>.