# tpm: fix off-by-four bounds check in tpm2_get_random()

CVE record · `CVE-2026-98728`

- **Identifiers:** `CVE-2026-98728`
- **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, 15:47 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: `1b6d7f9eb150305dcb0da4f7101a8d30dcdf0497 to before be54101992c2c5218be0e0a87827ccc96e3089af` (git)
  - affected: `1b6d7f9eb150305dcb0da4f7101a8d30dcdf0497 to before e30a2406408d2df6d9cd48c2e59e913cf266a05a` (git)
  - affected: `1b6d7f9eb150305dcb0da4f7101a8d30dcdf0497 to before 42bb6216b861e892512128219ff23010d656ba14` (git)
  - affected: `1b6d7f9eb150305dcb0da4f7101a8d30dcdf0497 to before 9b522400bf5c082feb9a0037a053ea822a2c7e4d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.10`
  - unaffected: `before 6.10` (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:** 0.0017, the 6th 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-2026-98728](https://www.cve.org/CVERecord?id=CVE-2026-98728)
- [NVD: CVE-2026-98728](https://nvd.nist.gov/vuln/detail/CVE-2026-98728)

### References from the CNA

- <https://git.kernel.org/stable/c/be54101992c2c5218be0e0a87827ccc96e3089af>
- <https://git.kernel.org/stable/c/e30a2406408d2df6d9cd48c2e59e913cf266a05a>
- <https://git.kernel.org/stable/c/42bb6216b861e892512128219ff23010d656ba14>
- <https://git.kernel.org/stable/c/9b522400bf5c082feb9a0037a053ea822a2c7e4d>

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-2026-98728>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98728/>. Everything for agents: <https://agentprime.io/llms.txt>.