CVE-2026-98755
Received Received - Intake

Stack-Based Information Leak in Linux Kernel tty Subsystem

Vulnerability report for CVE-2026-98755, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-18

Last updated on: 2026-10-18

Assigner: kernel.org

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-18
Last Modified
2026-10-18
Generated
2026-10-18
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 7 associated CPEs
Vendor Product Version / Range
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 0
Linux Linux 0
Linux Linux 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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