CVE-2026-68110: drm/amdgpu/sdma4.4.2: replace BUG_ON() with WARN_ON()

CSIRTS triage

What

A BUG_ON() macro is used in amdgpu/sdma4.4.2 driver where a WARN_ON() should be used, causing unconditional kernel panic.

Who is affected

Linux systems with AMD SDMA 4.4.2 capable GPUs hitting specific edge case conditions.

Urgency

Medium severity with CVSS 5.5; BUG_ON triggers kernel panic instead of allowing graceful handling.

Action

Apply Linux kernel patch replacing BUG_ON() with WARN_ON() in amdgpu SDMA 4.4.2 driver.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

medium — CVSS 5.5

Published

2026-08-11

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68110

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-681100.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• high[NEW] [high] Linux Kernel: Multiple vulnerabilitiescert-bund
• unknownCVE-2026-68110: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4.4.2: repl…nvd

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