CVE-2026-68111: drm/amdgpu/gfx9: replace BUG_ON() with WARN_ON()

CSIRTS triage

What

The amdgpu gfx9 driver uses BUG_ON() instead of WARN_ON(), allowing kernel panic on error conditions.

Who is affected

Systems running affected versions of the Linux kernel with AMD GPU gfx9 support.

Urgency

Medium severity (CVSS 5.5); BUG_ON() can cause denial of service through kernel panics.

Action

Apply Linux kernel patch replacing BUG_ON() with WARN_ON() or update to a patched kernel version.

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-2026-68111

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-2026-681110.17% 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-2026-68111: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx9: replace B…nvd

More from Microsoft Security Response Center

• highCVE-2026-70354: .NET Core Remote Code Execution Vulnerability2026-08-11
• highCVE-2026-68792: Microsoft Office Elevation of Privilege Vulnerability2026-08-11
• highCVE-2026-64909: Microsoft Office Remote Code Execution Vulnerability2026-08-11
• highCVE-2026-70130: Microsoft Office Remote Code Execution Vulnerability2026-08-11
• highCVE-2026-66807: Microsoft Office Graphics Component Remote Code Execution Vulnerability2026-08-11