# KVM: PPC: Book3S HV: fix secure device page leak on uv_page_in() failure

CVE record · `CVE-2026-98433`

- **Identifiers:** `CVE-2026-98433`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 14:38 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: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before ed2f2ff63cb7e71204096e765c6d02c3b6974b95` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before 8f3b7746874b39fc20e0363c9076c7787d4765ba` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before a933d7024359e2e566b07903d1294b84f90482ae` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before c41088b2765af1e97e7bb05f906ae1823eca0388` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before f3d4b2fc30c97cf8e6f8b880d2de9c17ecac7f5b` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before dfb84274932737e338ff5eb27f34b4c8ecb01b50` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before fcbff8008b0e08cd53b611bd0ff7e01f5b962f80` (git)
  - affected: `ca9f4942670c37407bb109090eaf776ce2ccc54c to before 0a416ee20bcccddf91ca5b63696a23b9d11d73aa` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (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: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0016, the 5th percentile, on 9 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-2026-98433](https://www.cve.org/CVERecord?id=CVE-2026-98433)
- [NVD: CVE-2026-98433](https://nvd.nist.gov/vuln/detail/CVE-2026-98433)

### References from the CNA

- <https://git.kernel.org/stable/c/ed2f2ff63cb7e71204096e765c6d02c3b6974b95>
- <https://git.kernel.org/stable/c/8f3b7746874b39fc20e0363c9076c7787d4765ba>
- <https://git.kernel.org/stable/c/a933d7024359e2e566b07903d1294b84f90482ae>
- <https://git.kernel.org/stable/c/c41088b2765af1e97e7bb05f906ae1823eca0388>
- <https://git.kernel.org/stable/c/f3d4b2fc30c97cf8e6f8b880d2de9c17ecac7f5b>
- <https://git.kernel.org/stable/c/dfb84274932737e338ff5eb27f34b4c8ecb01b50>
- <https://git.kernel.org/stable/c/fcbff8008b0e08cd53b611bd0ff7e01f5b962f80>
- <https://git.kernel.org/stable/c/0a416ee20bcccddf91ca5b63696a23b9d11d73aa>

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-2026-98433>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98433/>. Everything for agents: <https://agentprime.io/llms.txt>.