7.1
HIGH CVSS 3.1
CVE-2026-46199
drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg
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.

INFO

Published Date :

May 28, 2026, 10:16 a.m.

Last Modified :

June 10, 2026, 5:11 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-46199 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Apply patches to the Linux kernel to prevent out-of-bounds reads in the AMDGPU VCN4 driver.
  • Update the Linux kernel to include the fix.
  • Verify bounds checks in message parsing logic.
  • Test the updated driver for stability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-46199 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-46199 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-46199 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-46199 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 10, 2026

    Action Type Old Value New Value
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.32 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.90 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.9 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 6.1.175
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3c817a60b09eaab926e475088e750936efcc95ae Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/63b51e8a9d54317d31cc3856c1e12407070d5fc2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7688143ca62edeecacb3ba0a2cea129dbd262a18 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/88411caee8f576d6b5abf6531232fcc0ce756dc5 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e Types: Patch
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 01, 2026

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/88411caee8f576d6b5abf6531232fcc0ce756dc5
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 30, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648
    Added Reference https://git.kernel.org/stable/c/3c817a60b09eaab926e475088e750936efcc95ae
    Added Reference https://git.kernel.org/stable/c/63b51e8a9d54317d31cc3856c1e12407070d5fc2
    Added Reference https://git.kernel.org/stable/c/7688143ca62edeecacb3ba0a2cea129dbd262a18
    Added Reference https://git.kernel.org/stable/c/c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.