# perf: Require kernel access for text poke events

CVE record · `CVE-2026-98655`

- **Identifiers:** `CVE-2026-98655`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:44 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: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 4d8fc6290d14aa9e4c3b620fe3e5dc8ba3bea7e3` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before c30886396eb1c0e9fdc4296398dea0db0ab37610` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 0e26d44b7c64b045adebcf5d614140f811f09752` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 8c38cb055f6a9651198780e4e4d5283de4039f79` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 8473f44db9f710ea6f8cafb22f2e3ba6cb8ca9a7` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before e506333d1b9f42f1e402acebf1283af3c44a3809` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 677d0b51ac1a0db55d768c4c6399210b3de0795b` (git)
  - affected: `e17d43b93e544f5016c0251d2074c15568d5d963 to before 357e8a77a501d96c9517f01f4a211eed5e9c9184` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.9`
  - unaffected: `before 5.9` (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: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0019, the 8th percentile, on 7 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98655](https://www.cve.org/CVERecord?id=CVE-2026-98655)
- [NVD: CVE-2026-98655](https://nvd.nist.gov/vuln/detail/CVE-2026-98655)

### References from the CNA

- <https://git.kernel.org/stable/c/4d8fc6290d14aa9e4c3b620fe3e5dc8ba3bea7e3>
- <https://git.kernel.org/stable/c/c30886396eb1c0e9fdc4296398dea0db0ab37610>
- <https://git.kernel.org/stable/c/0e26d44b7c64b045adebcf5d614140f811f09752>
- <https://git.kernel.org/stable/c/8c38cb055f6a9651198780e4e4d5283de4039f79>
- <https://git.kernel.org/stable/c/8473f44db9f710ea6f8cafb22f2e3ba6cb8ca9a7>
- <https://git.kernel.org/stable/c/e506333d1b9f42f1e402acebf1283af3c44a3809>
- <https://git.kernel.org/stable/c/677d0b51ac1a0db55d768c4c6399210b3de0795b>
- <https://git.kernel.org/stable/c/357e8a77a501d96c9517f01f4a211eed5e9c9184>

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-2026-98655>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98655/>. Everything for agents: <https://agentprime.io/llms.txt>.