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CVE-2026-63961

UnknownEPSS 0.21%

Last modified

CVE-2026-63961 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.21%

11.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 74aabe9ea30fdfba924fce9594e6aa69a596a4bb; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < dd7118c010f324497c275e8fd7a35c9baaa2a00f; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 6ffdbcd7a02f3af8fff9b6519830369f574ed44c; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 70e7045849e954e56dcbf441b6330e66bc996306; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 64bd6ccc5799f8473d1f37d4d8f53093dfec5c02; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 77a759ec30bc5fb0dd9c867b711d0acfed6c7faa; >= 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 8a18f896e667df491331371b55d4ad644dc51d60
LinuxLinux4.19

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-63961?
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.
How severe is CVE-2026-63961?
Severity scoring for CVE-2026-63961 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63961?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST