Not yet scoredPublished Oct 18, 2026

CVE-2026-98755tty: vcc: zero-initialize control packet in vcc_send_ctl()

Updated under an hour ago (Oct 27, 2026, 10:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	8868e44a56160328cd4003d95f4083f64b136e33 builds before 4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed; 8868e44a56160328cd4003d95f4083f64b136e33 builds before 6f1a08ef02825b440126c406ea63ef6128888e15; from 8868e44a56160328cd4003d95f4083f64b136e33 before 4335278d0e75395cbfaf71c84b521df56d69e936; 8868e44a56160328cd4003d95f4083f64b136e33 builds before 399aa38af1d78001612e3130b2056ea392a355ca; 8868e44a56160328cd4003d95f4083f64b136e33 builds before 1f71f565e3585da1098ff19ca3c24687dab59185	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.