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CVE-2026-46199

drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg

HIGH
7.1
CVSS Score
Published: May 28, 2026 at 09:40 AM UTC
Updated: October 19, 2026 at 08:18 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.13 ≤ v < 6.1.1756.13 ≤ v < 6.18.326.19 ≤ v < 7.0.96.2 ≤ v < 6.6.1406.7 ≤ v < 6.12.905.1387cc7f9ebf7ce10f82250002d667ef3e93a79d44
Vendor states this is fixed in 0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648 (fixed)
Vendor states this is fixed in 3c817a60b09eaab926e475088e750936efcc95ae (fixed)
Vendor states this is fixed in 63b51e8a9d54317d31cc3856c1e12407070d5fc2 (fixed)
Vendor states this is fixed in 7688143ca62edeecacb3ba0a2cea129dbd262a18 (fixed)
Vendor states this is fixed in 88411caee8f576d6b5abf6531232fcc0ce756dc5 (fixed)
Vendor states this is fixed in c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 6.1.175 (unaffected)
Vendor states this is fixed in 6.12.90 (unaffected)
Vendor states this is fixed in 6.18.32 (unaffected)
Vendor states this is fixed in 6.6.140 (unaffected)
Vendor states this is fixed in 7.0.9 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (6)

Patch
Source: cverecord
https://git.kernel.org/stable/c/c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e
Patch
Source: cverecord
https://git.kernel.org/stable/c/7688143ca62edeecacb3ba0a2cea129dbd262a18
Patch
Source: cverecord
https://git.kernel.org/stable/c/63b51e8a9d54317d31cc3856c1e12407070d5fc2
Patch
Source: cverecord
https://git.kernel.org/stable/c/3c817a60b09eaab926e475088e750936efcc95ae
Patch
Source: cverecord
https://git.kernel.org/stable/c/0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648
Patch
Source: cverecord
https://git.kernel.org/stable/c/88411caee8f576d6b5abf6531232fcc0ce756dc5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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