PT-2026-44259 · Linux · Linux Kernel

Published 2026-05-28 · Updated 2026-06-04 · CVE-2026-46136

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A potential buffer length underflow exists in the mt7921 driver within the mt76 wifi module. The buf len variable, used to limit iterations when retrieving country power settings, may underflow due to changes in the CLC power table. This can result in an almost infinite loop or an invalid power setting, leading to driver initialization failure.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-46136

ECHO-9D0A-520C-69CE

OPENSUSE-SU-2026:10954-1

Affected Products

Linux Kernel

References · 290

• https://security-tracker.debian.org/tracker/CVE-2026-46136 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46136 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46136 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-46136 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46136 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46136 · Security Note
• https://ubuntu.com/security/CVE-2026-46136 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-45839 · Note
• https://suse.com/security/cve/CVE-2026-46227 · Note
• https://suse.com/security/cve/CVE-2026-46066 · Note
• https://suse.com/security/cve/CVE-2026-46136 · Note
• https://suse.com/security/cve/CVE-2026-46111 · Note
• https://suse.com/security/cve/CVE-2026-46006 · Note
• https://suse.com/security/cve/CVE-2026-46028 · Note