# net/sched: cls_api: Don't replay RTM_GETCHAIN in tc_ctl_chain().

CVE record · `CVE-2026-97958`

- **Identifiers:** `CVE-2026-97958`
- **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: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before 240251a4ca7cda213103694b6e21c4a5745e5d8b` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before 9a0f07f7dbd1bfe8c2fd03ad055e9e60a703d5df` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before 6558b0d46c5941ed1aa67da8878e224c54239cc5` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before 96c2fc5daf983af2e0c1256c31e89c1f3f855279` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before a1c2840d95af1fa3d83ba71e23fa0c674a4c6796` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before 503ba58481e3ba69d28127d35a39cec529f9670c` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before e9ac395bb56122a057d0aa91a6b55d9e3fa37c26` (git)
  - affected: `2ed9db3074fcd8d12709fe40ff0e691d74229818 to before dff39930ad5e53d202bfdfb14687d1d2fd753b4d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.19`
  - unaffected: `before 4.19` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (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:** 0.0018, the 7th 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-2026-97958](https://www.cve.org/CVERecord?id=CVE-2026-97958)
- [NVD: CVE-2026-97958](https://nvd.nist.gov/vuln/detail/CVE-2026-97958)

### References from the CNA

- <https://git.kernel.org/stable/c/240251a4ca7cda213103694b6e21c4a5745e5d8b>
- <https://git.kernel.org/stable/c/9a0f07f7dbd1bfe8c2fd03ad055e9e60a703d5df>
- <https://git.kernel.org/stable/c/6558b0d46c5941ed1aa67da8878e224c54239cc5>
- <https://git.kernel.org/stable/c/96c2fc5daf983af2e0c1256c31e89c1f3f855279>
- <https://git.kernel.org/stable/c/a1c2840d95af1fa3d83ba71e23fa0c674a4c6796>
- <https://git.kernel.org/stable/c/503ba58481e3ba69d28127d35a39cec529f9670c>
- <https://git.kernel.org/stable/c/e9ac395bb56122a057d0aa91a6b55d9e3fa37c26>
- <https://git.kernel.org/stable/c/dff39930ad5e53d202bfdfb14687d1d2fd753b4d>

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-2026-97958>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-97958/>. Everything for agents: <https://agentprime.io/llms.txt>.