# tracing: Check operator stack capacity before pushing

CVE record · `CVE-2026-99142`

- **Identifiers:** `CVE-2026-99142`
- **State:** Confirmed
- **Severity:** CVSS 7.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 28 Oct 2026
- **Updated:** 31 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:34 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: `39f7c41c908bc82947ce47cdd021520ff486c53f to before c43c41ec62ca54ae145aa4912c6692a26d625734` (git)
  - affected: `39f7c41c908bc82947ce47cdd021520ff486c53f to before d6f0006f194db49c54117ae22146421da5a2ca59` (git)
  - affected: `39f7c41c908bc82947ce47cdd021520ff486c53f to before a866a8a753922cdf7710b8eb3f686dc0efc06505` (git)
  - affected: `39f7c41c908bc82947ce47cdd021520ff486c53f to before 75e894f92417390f0ef44fd350f2d3634c784876` (git)
  - affected: `39f7c41c908bc82947ce47cdd021520ff486c53f to before c47a7b11bcb3d45e29723afcf6336866476b1d08` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.6`
  - unaffected: `before 6.6` (semver)
  - unaffected: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.59 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.13 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 28 Oct 2026, 10:34 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99142)

## Sources

- [CVE List: CVE-2026-99142](https://www.cve.org/CVERecord?id=CVE-2026-99142)
- [NVD: CVE-2026-99142](https://nvd.nist.gov/vuln/detail/CVE-2026-99142)

### References from the CNA

- <https://git.kernel.org/stable/c/c43c41ec62ca54ae145aa4912c6692a26d625734>
- <https://git.kernel.org/stable/c/d6f0006f194db49c54117ae22146421da5a2ca59>
- <https://git.kernel.org/stable/c/a866a8a753922cdf7710b8eb3f686dc0efc06505>
- <https://git.kernel.org/stable/c/75e894f92417390f0ef44fd350f2d3634c784876>
- <https://git.kernel.org/stable/c/c47a7b11bcb3d45e29723afcf6336866476b1d08>

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-2026-99142>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99142/>. Everything for agents: <https://agentprime.io/llms.txt>.