# drm/amdkfd: Avoid integer underflow in EOP ring size calculation.

CVE record · `CVE-2026-98177`

- **Identifiers:** `CVE-2026-98177`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 10 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 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: `d696d536f0a97ac779d6176107ac4e96d0a2f8b9 to before 85f2d80a260f2ee90647da094b80a2d5ce719750` (git)
  - affected: `d696d536f0a97ac779d6176107ac4e96d0a2f8b9 to before 3c97f7cb6c48826663648b6081b614c2befc8ac7` (git)
  - affected: `d696d536f0a97ac779d6176107ac4e96d0a2f8b9 to before 287a34c4d712e0bdb67751e21316d9c8d75a528a` (git)
  - affected: `d696d536f0a97ac779d6176107ac4e96d0a2f8b9 to before 8ee521b8b189799e361d4233c5180ba56656d4d4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.3`
  - unaffected: `before 4.3` (semver)
  - unaffected: `6.12.117 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.61 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:** 0.0017, the 6th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 6 Oct 2026, 08:44 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-98177)
- 6 Oct 2026, 09:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-98177)

## Sources

- [CVE List: CVE-2026-98177](https://www.cve.org/CVERecord?id=CVE-2026-98177)
- [NVD: CVE-2026-98177](https://nvd.nist.gov/vuln/detail/CVE-2026-98177)

### References from the CNA

- <https://git.kernel.org/stable/c/85f2d80a260f2ee90647da094b80a2d5ce719750>
- <https://git.kernel.org/stable/c/3c97f7cb6c48826663648b6081b614c2befc8ac7>
- <https://git.kernel.org/stable/c/287a34c4d712e0bdb67751e21316d9c8d75a528a>
- <https://git.kernel.org/stable/c/8ee521b8b189799e361d4233c5180ba56656d4d4>

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-2026-98177>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98177/>. Everything for agents: <https://agentprime.io/llms.txt>.