CVE-2026-63842Patch

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 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)

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0.5/ 10 priority

Sources & remediation

Other references

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

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

DFIR Lab@DFIR_Lab91d
Patch
🚨 CVE-2026-63842 | CVSS 7.8 HIGH Linux kernel vulnerability in AMD GPU JPEG driver. Local privilege escalation risk via user fence handling flaw in JPEG v5.0.0 rings. Patch available - update immediately. #CVE #Vulnerability #PatchNow https://t.co/m1qOuKNwD4
Post summary
A high‑severity Linux kernel privilege escalation bug (CVE-2026-63842) in the AMD GPU JPEG driver has been disclosed, and a patch is available—systems should apply the update immediately.
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