# coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable

CVE record · `CVE-2026-90273`

- **Identifiers:** `CVE-2026-90273`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:08 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: `810ac401db1fe432020d7936a199591000de8279 to before f097b6969e9961365358fc5ba5892db2f284f020` (git)
  - affected: `810ac401db1fe432020d7936a199591000de8279 to before ba63c62d4252f6bc58fd2a567075c72d03332562` (git)
  - affected: `810ac401db1fe432020d7936a199591000de8279 to before 26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6` (git)
  - affected: `810ac401db1fe432020d7936a199591000de8279 to before d5f3dae82705d9388434892915008da3bb83c4ba` (git)
  - affected: `810ac401db1fe432020d7936a199591000de8279 to before 7e4f2702bbadbde887a5d8897297720a7f037ee5` (git)
  - affected: `810ac401db1fe432020d7936a199591000de8279 to before 0a47f0be6557b4a851addd430383a4dc7ee08752` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0022, the 11th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90273](https://www.cve.org/CVERecord?id=CVE-2026-90273)
- [NVD: CVE-2026-90273](https://nvd.nist.gov/vuln/detail/CVE-2026-90273)

### References from the CNA

- <https://git.kernel.org/stable/c/f097b6969e9961365358fc5ba5892db2f284f020>
- <https://git.kernel.org/stable/c/ba63c62d4252f6bc58fd2a567075c72d03332562>
- <https://git.kernel.org/stable/c/26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6>
- <https://git.kernel.org/stable/c/d5f3dae82705d9388434892915008da3bb83c4ba>
- <https://git.kernel.org/stable/c/7e4f2702bbadbde887a5d8897297720a7f037ee5>
- <https://git.kernel.org/stable/c/0a47f0be6557b4a851addd430383a4dc7ee08752>

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-2026-90273>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90273/>. Everything for agents: <https://agentprime.io/llms.txt>.