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.

Package Linux Kernel
Published 2026-10-18
Last modified 2026-10-18
Patch available
Yes

Affected versions

Fixed in 6.12.113, 6.18.56, 7.2.10, 7.3 and their respective stable series.

Fixed in
✓ 6.12.113 6.12.x ✓ 6.18.56 6.18.x ✓ 7.2.10 7.2.x ✓ 7.3

Frequently asked questions

  • What is CVE-2026-98755?

    CVE-2026-98755 is a unscored severity Linux kernel vulnerability . CVE-2026-98755 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-98755?

    Yes. CVE-2026-98755 has been patched. Fixed versions include 6.12.113, 6.18.56, 7.2.10 and others.

  • Is CVE-2026-98755 actively exploited?

    No. CVE-2026-98755 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.