# drm/amdkfd: Fix error path at svm_migrate_copy_to_ram

CVE record · `CVE-2026-89810`

- **Identifiers:** `CVE-2026-89810`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:30 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: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before ee007a238dd363ba2f3a3b01815703cfe98711c7` (git)
  - affected: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before 44cad7ea3532f14999008d899daacc4ce4b633bf` (git)
  - affected: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before 872b7427e64f3e84b16c62577cbf3cd09a3401a2` (git)
  - affected: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before da87bcad1f781d822e7ced6d1de9dbc6d381c72e` (git)
  - affected: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before a2035918a7a1d8fd3bb79d22e1e149294a5a8418` (git)
  - affected: `48ff079b28d82dbce000cc45c0fd35b6ae9ffbda to before 960c4a8069bfd352c48cc88592618f1ebe24c69e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.14`
  - unaffected: `before 5.14` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

> The Linux kernel's amdkfd driver (drm/amdkfd), in the svm_migrate_copy_to_ram error path, is affected in versions from 5.14 up to the fixes listed for each stable branch. The source gives few details on the attack vector or impact beyond the error path mishandling system pages and DMA mappings when migration from device to system RAM fails. Upgrade to a fixed kernel version for your branch, as listed in the source.

Written 12 Nov 2026.

## 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 14 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89810](https://www.cve.org/CVERecord?id=CVE-2026-89810)
- [NVD: CVE-2026-89810](https://nvd.nist.gov/vuln/detail/CVE-2026-89810)

### References from the CNA

- <https://git.kernel.org/stable/c/ee007a238dd363ba2f3a3b01815703cfe98711c7>
- <https://git.kernel.org/stable/c/44cad7ea3532f14999008d899daacc4ce4b633bf>
- <https://git.kernel.org/stable/c/872b7427e64f3e84b16c62577cbf3cd09a3401a2>
- <https://git.kernel.org/stable/c/da87bcad1f781d822e7ced6d1de9dbc6d381c72e>
- <https://git.kernel.org/stable/c/a2035918a7a1d8fd3bb79d22e1e149294a5a8418>
- <https://git.kernel.org/stable/c/960c4a8069bfd352c48cc88592618f1ebe24c69e>

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-2026-89810>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89810/>. Everything for agents: <https://agentprime.io/llms.txt>.