CVE-2026-63841 (GCVE-0-2026-63841)

Vulnerability from cvelistv5 – Published: 2026-07-19 14:04 – Updated: 2026-07-20 13:40
VLAI
Title
drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.1 ring
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.1 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 742a98e2e81702df8fe1b1eccee5223220a03dc2)
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b8f57b69942b2faa7deee0566cc9306316fe0a74 , < d0f6ae14c0452be4fc3aa5cf81c74e68b3243050 (git)
Affected: b8f57b69942b2faa7deee0566cc9306316fe0a74 , < 869ce148c0d953570f8307c3e206b47bd5d3be99 (git)
Affected: b8f57b69942b2faa7deee0566cc9306316fe0a74 , < 2f8e3da71a1b469b6e157aa3972f1448b3157840 (git)
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Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
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    "datePublished": "2026-07-19T14:04:36.591Z",
    "dateReserved": "2026-07-19T07:54:57.015Z",
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    "redhat_vex": {
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      "id": "CVE-2026-63841",
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      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.1 ring",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63841.json",
      "version": "3"
    }
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.