CVE-2026-63854
drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)
INFO
Published Date :
July 19, 2026, 3:16 p.m.
Last Modified :
July 19, 2026, 3:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-63854
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.
No affected product recoded yet
Solution
- Update the Linux kernel to include the fix.
- Verify VCN encoder/decoder ring configurations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-63854.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63854 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-2026-63854
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-2026-63854 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63854 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.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 19, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'cf14826cdfb5c9fe10f98210d040b9d7486c381d', 'lessThan': 'e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf14826cdfb5c9fe10f98210d040b9d7486c381d', 'lessThan': '26c4f38529ac78930c9c4713e16ebc5b689bb0a3', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf14826cdfb5c9fe10f98210d040b9d7486c381d', 'lessThan': '2d6525e7b2504f5bbfe9417cddc1e8da858791dd', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf14826cdfb5c9fe10f98210d040b9d7486c381d', 'lessThan': 'b076e45e6f757a2829e80d0144c1b5f201bee5af', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf14826cdfb5c9fe10f98210d040b9d7486c381d', 'lessThan': 'f1e5a6660d7cbf006079126d9babbf0ccf538c6b', 'versionType': 'git'}], 'programFiles': ['drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.141', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.91', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614) Added Reference https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3 Added Reference https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd Added Reference https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af Added Reference https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c Added Reference https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b