CVE-2026-63842: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring
Vulnerability summary
CVE-2026-63842 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 16Timeline
- 19-07-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
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)
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.18% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-754Improper Check for Unusual or Exceptional ConditionsThe product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu118 products
- linux< 7.0.0-28.28
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 7.0.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ dfad65c65728401587142577dd283476491bac83, < 3a55ff19a6ff5e046d6a4a18e36deec5d95d9a2e | ≥ dfad65c65728401587142577dd283476491bac83, < a7e63bb93a7fde3c8920984c3deee9acfe461562 | ≥ dfad65c65728401587142577dd283476491bac83, < 69ab75c7c5f378eb46f4c918aa848bb5c5603924 | ≥ dfad65c65728401587142577dd283476491bac83, < ea7c61c5f895e8f9ea0ffffa180498ef9c740152 | 6.9
- linux_kernel≥ 6.9, < 6.12.91 | ≥ 6.13, < 6.18.33 | ≥ 6.19, < 7.0.10 | 7.1:rc1
Debian1 product
- linux< 6.12.94-1 | < 7.0.10-1
3 vendors · 121 products
