SUSE Linux Kernel Multiple Vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities have been identified in the SUSE Linux Kernel affecting various subsystems.

Who is affected

Systems running SUSE Linux Kernel versions affected by CVE-2023-53995, CVE-2025-40204, CVE-2026-23161, CVE-2026-23449, CVE-2026-31629, CVE-2026-31759, CVE-2026-43077, and CVE-2026-43109.

Urgency

Urgency cannot be determined without severity details for each CVE; however, kernel vulnerabilities typically warrant timely patching.

Action

Check SUSE security advisories for each CVE and apply kernel updates when available for your SUSE Linux distribution.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

HKCERT Security Bulletins (HK · national-cert · site)

Severity

unknown

Published

2026-09-01

Exploitation

Not in CISA KEV at last sync

Original advisory: https://www.hkcert.org/security-bulletin/suse-linux-kernel-multiple-vulnerabilities_20260901

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2023-539950.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2025-402040.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-231610.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-234490.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-316290.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-317590.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-430770.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-431090.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-431100.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-432060.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund
• high[UPDATE] [high] Linux Kernel: Vulnerability allows privilege escalationcert-bund
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilities enable denial of servicecert-bund
• medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund
• unknownUSN-8661-4: Linux kernel vulnerabilitiesubuntu
• unknownUSN-8715-1: Linux kernel (Oracle) vulnerabilitiesubuntu
• unknownUSN-8714-1: Linux kernel vulnerabilitiesubuntu
• medium[NEW] [medium] Linux Kernel: Vulnerability allows privilege escalationcert-bund
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund

Recent advisories for SUSE Linux Kernel

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• unknownMultiple vulnerabilities in SUSE Linux kernel (August 28, 2026)cert-fr-avis · 2026-08-28
• unknownMultiple vulnerabilities in SUSE Linux kernel (August 21, 2026)cert-fr-avis · 2026-08-21
• unknownexploitedMultiple vulnerabilities in SUSE Linux kernel (August 14, 2026)cert-fr-avis · 2026-08-14
• unknownMultiple vulnerabilities in SUSE Linux kernel (August 07, 2026)cert-fr-avis · 2026-08-07
• unknownSUSE Linux Kernel Multiple Vulnerabilitieshkcert · 2026-08-04
• unknownMultiple vulnerabilities in SUSE Linux kernel (July 31, 2026)cert-fr-avis · 2026-07-31

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