PT-2026-43961 · Linux · Linux Kernel

Published 2026-05-27 · Updated 2026-06-04 · CVE-2026-46093

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description A race condition exists in the Linux kernel within the decay va pool node() function. This function can be invoked concurrently by purge vmap area lazy() during pool purging and by the shrinker via vmap node shrink scan(). Because the shrinker path lacks proper serialization, concurrent execution can lead to races and potential memory leaks.

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

Related Identifiers

CVE-2026-46093

OPENSUSE-SU-2026:10954-1

Affected Products

Linux Kernel

References · 287

• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46093 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46093 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46093 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-46093 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-46093 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46093 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46093 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-46149 · Note
• https://suse.com/security/cve/CVE-2026-46187 · Note
• https://suse.com/security/cve/CVE-2026-46037 · Note
• https://suse.com/security/cve/CVE-2026-46158 · Note
• https://suse.com/security/cve/CVE-2026-46204 · Note
• https://suse.com/security/cve/CVE-2026-45995 · Note
• https://suse.com/security/cve/CVE-2026-46242 · Note