CVE-2026-63847Patch

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v2.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 3216a7f4e2642bda5fd14f57586e835ae9202587)

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-22: 1Patch / Workaround · 2026-07-22: 1Technical Details · 2026-07-22: 107-22
Signal classification1 categories
Patch
1100.0%
Full discourse1 post
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH: CVE-2026-63847 (CVSS 7.8) Linux kernel JPEG v2.5 ring vulnerability allows local privilege escalation. Affects drm/amdgpu/jpeg driver - user fence write flaw. Patch available. #CVE #Vulnerability #PatchNow https://t.co/PCUANRh1q8

    Post summary

    The tweet announces a vulnerability in the Linux kernel JPEG driver, confirms its severity, and announces that a patch is available.

    0000033
    88 followersView on X

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