Multiple SUSE Linux Kernel Security Updates Address Critical Vulnerabilities

Multiple SUSE Linux Kernel Security Updates Address Critical Vulnerabilities

First seen 12 Aug 2026, 02:41 UTC •Linuxsecurity •99% similarity •70.5

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SUSE has released several important kernel security updates for its Linux Enterprise systems, addressing multiple vulnerabilities. These updates, identified by CVEs including CVE-2026-23240, CVE-2026-31738, and CVE-2026-46113, fix issues such as race conditions and use-after-free errors that could lead to privilege escalation or denial of service. The vulnerabilities affect various kernel versions, including 6.4.0-31.1 to 6.4.0-45.1. The updates were released on July 28, 2026, and administrators are urged to apply them promptly to mitigate potential exploits. The vulnerabilities have been assigned CVSS scores indicating their severity, with some rated as high risk. Organizations using SUSE Linux are at risk if they do not update their systems. The updates are available through SUSE's recommended installation methods.

Key Points: • SUSE released critical kernel updates for multiple vulnerabilities affecting Linux systems. • Key CVEs include CVE-2026-23240 and CVE-2026-31738, which could lead to privilege escalation. • Administrators are urged to apply the updates released on July 28, 2026, to mitigate risks.

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Timeline

2026-03-10
CVE-2026-23240 published
A race condition vulnerability in TLS was disclosed, affecting Linux kernels.
Linuxsecurity
2026-05-01
CVE-2026-31738 published
A vulnerability in vxlan was disclosed, allowing for potential denial of service.
Linuxsecurity
2026-05-01
CVE-2026-43038 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-28
CVE-2026-46113 published
A use-after-free vulnerability in KVM was disclosed, affecting system stability.
Linuxsecurity
2026-07-04
CVE-2026-53359 published
A vulnerability in KVM was disclosed, with a proof of concept released shortly after.
Linuxsecurity
2026-07-16
CVE-2026-53366 published
A vulnerability in IPv4 was disclosed, affecting memory allocation processes.
Linuxsecurity
2026-07-28
SUSE kernel updates released
SUSE released multiple kernel updates addressing various vulnerabilities, urging immediate application.
Linuxsecurity
2026-08-11
Security advisory published
SUSE issued advisories for the kernel updates, emphasizing the importance of patching.
Linuxsecurity

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SuSE ICMP IPv4 IPv6 KVM Linux SUSE Linux Enterprise Kernel