CVE-2026-63843
drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)
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-2026-63843
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.
- Ensure JPEG rings do not accept user fences.
- Reject CS submissions with user fences.
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-2026-63843.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63843 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-2026-63843
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-2026-63843 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63843 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': '8f98a715da8e906cff5c635f9eb5399b84751557', 'lessThan': '424510b60d4698a75a6ff71acdd88b528f0f39af', 'versionType': 'git'}, {'status': 'affected', 'version': '8f98a715da8e906cff5c635f9eb5399b84751557', 'lessThan': 'f26e3f7186cd6ecc93e6af102744d64c798dea7e', 'versionType': 'git'}, {'status': 'affected', 'version': '8f98a715da8e906cff5c635f9eb5399b84751557', 'lessThan': 'f9bc5633b761cff200c428f61ed0df6212b1c721', 'versionType': 'git'}, {'status': 'affected', 'version': '8f98a715da8e906cff5c635f9eb5399b84751557', 'lessThan': 'b65b7f3f3c18f797f81a2af7c97e2079900ad6db', 'versionType': 'git'}], 'programFiles': ['drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.7'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.7', 'versionType': 'semver'}, {'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_5.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058) Added Reference https://git.kernel.org/stable/c/424510b60d4698a75a6ff71acdd88b528f0f39af Added Reference https://git.kernel.org/stable/c/b65b7f3f3c18f797f81a2af7c97e2079900ad6db Added Reference https://git.kernel.org/stable/c/f26e3f7186cd6ecc93e6af102744d64c798dea7e Added Reference https://git.kernel.org/stable/c/f9bc5633b761cff200c428f61ed0df6212b1c721