# riscv: errata: select RISCV_ALTERNATIVE_EARLY for THEAD GHOSTWRITE

CVE record · `CVE-2026-99017`

- **Identifiers:** `CVE-2026-99017`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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: `4bf97069239bcfca9840936313c7ac35a6e04488 to before fa465a7819ecbe5801b78c088d3cadaf2664b8ca` (git)
  - affected: `4bf97069239bcfca9840936313c7ac35a6e04488 to before 7fee577a2fa78b9a76da015beec1ccf978746ebb` (git)
  - affected: `4bf97069239bcfca9840936313c7ac35a6e04488 to before 298510bbc7c3017c0faf481c6ea66f1065b657b4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.14`
  - unaffected: `before 6.14` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th percentile, on 6 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99017](https://www.cve.org/CVERecord?id=CVE-2026-99017)
- [NVD: CVE-2026-99017](https://nvd.nist.gov/vuln/detail/CVE-2026-99017)

### References from the CNA

- <https://git.kernel.org/stable/c/fa465a7819ecbe5801b78c088d3cadaf2664b8ca>
- <https://git.kernel.org/stable/c/7fee577a2fa78b9a76da015beec1ccf978746ebb>
- <https://git.kernel.org/stable/c/298510bbc7c3017c0faf481c6ea66f1065b657b4>

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-2026-99017>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99017/>. Everything for agents: <https://agentprime.io/llms.txt>.