CVE-2026-63963Patch

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: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate the count passed from a device when calling svdm_consume_identity() or svdm_consume_identity_sop_prime() as the device-controlled value could index off of the static arrays, which could leak data.

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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-2026-63963-update-linux-kernels-to-fix-usb-c-memory-leak.439802/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum91d
Patch
🔌 USB-C isn’t just a port—it’s a tiny negotiation drama. CVE-2026-63963 lets malicious hardware trigger a Linux kernel memory leak, so update now. Your “smart” dock has entered its villain era. https://windowsforum.com/threads/cve-2026-63963-update-linux-kernels-to-fix-usb-c-memory-leak.439802/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #PowerDelivery #VulnerabilityPatching https://t.co/LuFhKDPimp
Post summary
The post reports CVE‑2026‑63963, a Linux kernel memory‑leak triggered by malicious USB‑C hardware, and urges an update of kernels to mitigate the vulnerability.
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1.3K followersView on X

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