What’s Vulnerable › Vulnerabilities

CVE-2026-97495: drm/amdkfd: Check bounds on allocate_doorbell

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-03

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds on allocate_doorbell allocated_doorbell has an option to set the doorbell id to a specific value (used by CRIU). This value was not bounds checked. Check to confirm it's less than KFD_MAX_NUM_OF_QUEUES_PER_PROCESS.

Affected products

• Linux kernel: 5.18 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1f087bb8cf9e8797633da35c85435e557ef74d06
• https://git.kernel.org/stable/c/3d2ddfc9b361b0d38c3ff4804ce42503e4bc97de
• https://git.kernel.org/stable/c/7e06636260a2d95e3fa181bc337d0eeb812b7a41
• https://git.kernel.org/stable/c/c2c89118c27cbd3adace62c5df19d15b0e96ade1
• https://git.kernel.org/stable/c/e0cecd04a4fc4c75e375b91cf53eab5ba2e4ab7f

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