CVE-2026-63961Patch

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: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and send it off elsewhere. Fix this up by correctly verifying the count for the update object.

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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/threads/cve-2026-63961-fixes-linux-usb-c-displayport-stack-data-leak.439801/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum93d
Patch
🔌 That “harmless” USB-C gadget could leak Linux kernel stack data via a DisplayPort parsing bug. The fix is out—because apparently even your monitor cable needs a security patch. https://windowsforum.com/threads/cve-2026-63961-fixes-linux-usb-c-displayport-stack-data-leak.439801/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #DisplayportAltMode #KernelVulnerabilities #UsbCSecurity https://t.co/0mi9fBEXRp
Post summary
CVE‑2026‑63961 is a DisplayPort parsing bug that allows kernel stack data leakage; a vendor patch has already been released.
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1.3K followersView on X

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