CVE-2026-63844
drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927)
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-2026-63844
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
- Apply the kernel patch for the JPEG ring.
- Update the Linux kernel to a fixed version.
- Test the fix in a staging environment.
- Deploy the updated kernel to production.
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-2026-63844.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63844 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-2026-63844
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-2026-63844 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63844 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': 'e684e654eba9481a9f462a7bbf5c385b7d1c076e', 'lessThan': 'b884ff67d62ef514eee9d5f605c03101c8b6bc98', 'versionType': 'git'}, {'status': 'affected', 'version': 'e684e654eba9481a9f462a7bbf5c385b7d1c076e', 'lessThan': 'd6bd2a5fd611ec9c8a2411f084cff2435c709608', 'versionType': 'git'}, {'status': 'affected', 'version': 'e684e654eba9481a9f462a7bbf5c385b7d1c076e', 'lessThan': '8549b3933038e68dc61cb934b9a54223dd244a78', 'versionType': 'git'}, {'status': 'affected', 'version': 'e684e654eba9481a9f462a7bbf5c385b7d1c076e', 'lessThan': '249fa7549736de1c8e327d7ca6b32fa148a40bd6', 'versionType': 'git'}, {'status': 'affected', 'version': 'e684e654eba9481a9f462a7bbf5c385b7d1c076e', 'lessThan': '83e37c0987ca92f9e87789b46dd311dcf5a4a6c8', 'versionType': 'git'}], 'programFiles': ['drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.5'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.5', '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/jpeg_v4_0_3.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927) Added Reference https://git.kernel.org/stable/c/249fa7549736de1c8e327d7ca6b32fa148a40bd6 Added Reference https://git.kernel.org/stable/c/83e37c0987ca92f9e87789b46dd311dcf5a4a6c8 Added Reference https://git.kernel.org/stable/c/8549b3933038e68dc61cb934b9a54223dd244a78 Added Reference https://git.kernel.org/stable/c/b884ff67d62ef514eee9d5f605c03101c8b6bc98 Added Reference https://git.kernel.org/stable/c/d6bd2a5fd611ec9c8a2411f084cff2435c709608