# drm/amdkfd: Let driver decide buffer size at AMDKFD_IOC_GET_DMABUF_INFO ioctl

CVE record · `CVE-2026-93823`

- **Identifiers:** `CVE-2026-93823`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:03 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: `1dde0ea95b782425b95455d487cb44991525a1d1 to before d298c100796b2cd1e7e75f8e615b79d034e510f8` (git)
  - affected: `1dde0ea95b782425b95455d487cb44991525a1d1 to before d51841bb5ceee75ec3aeeb4e5c51c8e5e7524228` (git)
  - affected: `1dde0ea95b782425b95455d487cb44991525a1d1 to before a65ccabde6deb95baf9442bd98299e2248884162` (git)
  - affected: `1dde0ea95b782425b95455d487cb44991525a1d1 to before 2d9fd0f01550aab4a0a1984b4379e50545906248` (git)
  - affected: `1dde0ea95b782425b95455d487cb44991525a1d1 to before 8242a8d9d7194d5ef8a8b38a5621ca0966a3ec15` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.0`
  - unaffected: `before 5.0` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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 13 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93823](https://www.cve.org/CVERecord?id=CVE-2026-93823)
- [NVD: CVE-2026-93823](https://nvd.nist.gov/vuln/detail/CVE-2026-93823)

### References from the CNA

- <https://git.kernel.org/stable/c/d298c100796b2cd1e7e75f8e615b79d034e510f8>
- <https://git.kernel.org/stable/c/d51841bb5ceee75ec3aeeb4e5c51c8e5e7524228>
- <https://git.kernel.org/stable/c/a65ccabde6deb95baf9442bd98299e2248884162>
- <https://git.kernel.org/stable/c/2d9fd0f01550aab4a0a1984b4379e50545906248>
- <https://git.kernel.org/stable/c/8242a8d9d7194d5ef8a8b38a5621ca0966a3ec15>

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-2026-93823>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93823/>. Everything for agents: <https://agentprime.io/llms.txt>.