Vulnerability · CVE-2026-63842
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence…
Published Jul 19, 2026 · catalog updated Oct 22, 2026 · linux kernel
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-63842. EPSS is 0.18%. Act only if a listed version of linux kernel is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-100073 · Medium
- CVE-2026-100072 · High
- CVE-2026-100071 · Medium
- CVE-2026-100070 · Medium
- CVE-2026-98159 · Medium
- Severity
- High7.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Version ranges on file
- Affected products
- cpe linux/linux kernel
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d)
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe linux/linux kernel7.1
- cpe linux/linux kernel< 6.12.91
- cpe linux/linux kernel< 6.18.33
- cpe linux/linux kernel< 7.0.10
How to fix CVE-2026-63842
Upgrade
CVE-2026-63842 lists a fix boundary at 6.12.91. Compare the installed build with that boundary before you change production.
Version check
Affected < 6.12.91
Advisory
Open the bsi record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-63842. EPSS is 0.18%. Act only if a listed version of linux kernel is installed.
Which versions are affected?
Compare what you have installed with linux/linux kernel 7.1; linux/linux kernel < 6.12.91; linux/linux kernel < 6.18.33; linux/linux kernel < 7.0.10. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-20: Improper Input Validation; CWE-754. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Jul 19, 2026 · NIST NVD
Detected
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d)
Oct 22, 2026 · NIST NVD
Updated
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d)
Sources
- BSI CERT-BundGovernment advisoryCVE-2026-63842
Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
wid.cert-bund.de - CVE.orgVulnerability recordCVE-2026-63842
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-63842
30-day exploitation probability 0.18%
first.org - NIST NVDVulnerability recordCVE-2026-63842
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 0f43893d3cd478fa57836697525b338817
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- BSI CERT-BundOct 27, 2026
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- NIST NVDOct 23, 2026