CVE-2026-68256Patch

LOW

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/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference prev_sink is unconditionally retained via dc_sink_retain at function entry, but the DP alt mode timeout path inside SIGNAL_TYPE_DISPLAY_PORT returns false without releasing prev_sink. All other return paths in the function correctly call dc_sink_release(prev_sink), making this the only missing cleanup. (cherry picked from commit 45510cf662dcf46b5d8926d454f338809f107b9d)

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0.5/ 10 priority

Sources & remediation

Other references

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%

Referenced assets1 URL

By indicator

https://windowsforum.com/security-alerts.84/cve-2026-68256-linux-amdgpu-leak-fix-windows-unaffected.442347/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum45d
Patch
🛡️ Linux AMDGPU users should grab the kernel fix if USB-C DisplayPort detection times out. Windows is unaffected—one less driver fire for Microsoft to accidentally call a feature. https://windowsforum.com/security-alerts.84/cve-2026-68256-linux-amdgpu-leak-fix-windows-unaffected.442347/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #CveVulnerabilities #Amdgpu #UsbCDisplayport https://t.co/1dXZXW6Nvd
Post summary
The tweet announces a kernel patch for Linux AMDGPU CVE‑2026‑68256, noting that Windows is unaffected and urging Linux users to apply the fix.
0000051
1.3K followersView on X

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