CVE-2026-98755

Description

In the Linux kernel, the following vulnerability has been resolved: tty: vcc: zero-initialize control packet in vcc_send_ctl() The stack-allocated struct vio_vcc pkt was partially initialized, leaving the tag.stype_env field uninitialized before being sent via ldc_write(), potentially leaking kernel stack data to the LDC peer.

Is your site exposed to CVE-2026-98755?

Run a free security scan — no signup, results in seconds.

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/1f71f565e3585da1098ff19ca3c24687dab59185 https://git.kernel.org/stable/c/399aa38af1d78001612e3130b2056ea392a355ca https://git.kernel.org/stable/c/4335278d0e75395cbfaf71c84b521df56d69e936 https://git.kernel.org/stable/c/4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed https://git.kernel.org/stable/c/6f1a08ef02825b440126c406ea63ef6128888e15

Frequently Asked Questions

What is CVE-2026-98755? +

In the Linux kernel, the following vulnerability has been resolved: tty: vcc: zero-initialize control packet in vcc_send_ctl() The stack-allocated struct vio_vcc pkt was partially initialized, leaving the tag.stype_env field uninitialized before being sent via ldc_write(), potentially leaking kernel stack data to the LDC peer.

How do I check if I'm vulnerable to CVE-2026-98755? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.