CVE-2026-63842 (GCVE-0-2026-63842)

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 v5.0.0 ring
Summary
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)
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: dfad65c65728401587142577dd283476491bac83 , < 3a55ff19a6ff5e046d6a4a18e36deec5d95d9a2e (git)
Affected: dfad65c65728401587142577dd283476491bac83 , < a7e63bb93a7fde3c8920984c3deee9acfe461562 (git)
Affected: dfad65c65728401587142577dd283476491bac83 , < 69ab75c7c5f378eb46f4c918aa848bb5c5603924 (git)
Affected: dfad65c65728401587142577dd283476491bac83 , < ea7c61c5f895e8f9ea0ffffa180498ef9c740152 (git)
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Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (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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    "datePublished": "2026-07-19T14:04:37.212Z",
    "dateReserved": "2026-07-19T07:54:57.015Z",
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    "redhat_vex": {
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      "current_release_date": "2026-07-20T17:33:17+00:00",
      "cve": "CVE-2026-63842",
      "id": "CVE-2026-63842",
      "initial_release_date": "2026-07-19T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63842.json",
      "version": "3"
    }
  }
}



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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.