PT-2026-43968 · Linux+1 · Linux Kernel+1

Published 2026-05-27 · Updated 2026-06-04 · CVE-2026-46100

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) openSUSE Tumbleweed versions prior to kernel-devel-7.0.11-1.1

Description A refcount leak occurs in the AFS (Andrew File System) implementation within the Linux kernel. This happens because the .mmap prepare() function is called at a stage where a merge or allocation failure may occur after the call, failing to release the refcount increment established during the invocation.

Recommendations Update to kernel-devel-7.0.11-1.1 for openSUSE Tumbleweed. At the moment, there is no information about a newer version that contains a fix for this vulnerability for the Linux kernel.

Fix

Related Identifiers

CVE-2026-46100

OPENSUSE-SU-2026:10954-1

Affected Products

Linux Kernel

Opensuse Tumbleweed

References · 285

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46100 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46100 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46100 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-46100 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46100 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-46100 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-46120 · Note
• https://suse.com/security/cve/CVE-2026-46152 · Note
• https://suse.com/security/cve/CVE-2026-46011 · Note
• https://suse.com/security/cve/CVE-2026-45836 · Note
• https://suse.com/security/cve/CVE-2026-46148 · Note
• https://suse.com/security/cve/CVE-2026-46085 · Note
• https://suse.com/security/cve/CVE-2026-46221 · Note
• https://suse.com/security/cve/CVE-2026-46135 · Note