Bug 2513351 (CVE-2026-68110)

Summary: CVE-2026-68110 kernel: drm/amdgpu/sdma4.4.2: replace BUG_ON() with WARN_ON()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in the Linux kernel's `amdgpu` graphics driver, specifically within the `sdma4.4.2` component. This vulnerability could allow a local attacker to trigger a system crash by exploiting certain unhandled error conditions. The issue stems from the use of a `BUG_ON()` macro, which forces a kernel panic and results in a Denial of Service (DoS). The resolution replaces this with a `WARN_ON()` macro, preventing the system from crashing while still logging the error.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-08-10 12:32:30 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/sdma4.4.2: replace BUG_ON() with WARN_ON()

There's no need to crash the kernel for these cases.

(cherry picked from commit fa4f86a148271e325e95287630a3a15a9cd35fdc)