# tracing: Reject incomplete event filter expressions

CVE record · `CVE-2026-99236`

- **Identifiers:** `CVE-2026-99236`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 2 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 2 Nov 2026, 16:06 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: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 4a1a6d35359991c5d47f4bf101cfbe1475c94093` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 2a98f5d4913ec081e08e1075512cb7ec313d9f72` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 15ff3cc7f2beecc3f95d66358f20ad7b057466aa` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before b205ff58e02922ac324f931cf9eb238a3acdb048` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 5a999b5a16530898f0dbe5f8c50fd45ea72e110b` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 1008e9e0b8280d47f1ab5e9c113f666a023a9697` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 64993d970dde2a2da353e9e99595a4fa88ec27d9` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 5bcdf3c18c3471122ee9652b0e2f5cdb718d9a46` (git)
  - affected: `80765597bc587feae8dbc8ce97a0f32e12a6e625 to before 1fdc4164e488916402badddbb1f51e9380dabb91` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.17`
  - unaffected: `before 4.17` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.60 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.14 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3.1 to 7.3.*, inclusive` (semver)
  - unaffected: `7.4-rc1 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 2 Nov 2026, 16:06 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99236)
- 2 Nov 2026, 16:12 UTC: First seen by agentprime
- 2 Nov 2026, 16:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99236)

## Sources

- [CVE List: CVE-2026-99236](https://www.cve.org/CVERecord?id=CVE-2026-99236)
- [NVD: CVE-2026-99236](https://nvd.nist.gov/vuln/detail/CVE-2026-99236)

### References from the CNA

- <https://git.kernel.org/stable/c/4a1a6d35359991c5d47f4bf101cfbe1475c94093>
- <https://git.kernel.org/stable/c/2a98f5d4913ec081e08e1075512cb7ec313d9f72>
- <https://git.kernel.org/stable/c/15ff3cc7f2beecc3f95d66358f20ad7b057466aa>
- <https://git.kernel.org/stable/c/b205ff58e02922ac324f931cf9eb238a3acdb048>
- <https://git.kernel.org/stable/c/5a999b5a16530898f0dbe5f8c50fd45ea72e110b>
- <https://git.kernel.org/stable/c/1008e9e0b8280d47f1ab5e9c113f666a023a9697>
- <https://git.kernel.org/stable/c/64993d970dde2a2da353e9e99595a4fa88ec27d9>
- <https://git.kernel.org/stable/c/5bcdf3c18c3471122ee9652b0e2f5cdb718d9a46>
- <https://git.kernel.org/stable/c/1fdc4164e488916402badddbb1f51e9380dabb91>

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-2026-99236>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99236/>. Everything for agents: <https://agentprime.io/llms.txt>.