Bug 2482633 (CVE-2026-46217)

Summary: CVE-2026-46217 kernel: drm/amdgpu/vcn4: Avoid overflow on msg bound check
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the Linux kernel, specifically within the AMD GPU (Graphics Processing Unit) driver component `drm/amdgpu/vcn4`. This vulnerability is caused by an integer overflow during a message bound check. An attacker could potentially exploit this flaw to cause system instability or a denial of service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-05-28 11:06:50 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn4: Avoid overflow on msg bound check

As pointed out by SDL, the previous condition may be vulnerable to
overflow.

(cherry picked from commit 3c5367d950140d4ec7af830b2268a5a6fdaa3885)