Multiple vulnerabilities in SUSE Linux kernel (August 28, 2026)

unknownpublic exploitCVE-2026-31483 CVE-2026-53230 CVE-2026-53398 CVE-2026-53132 CVE-2026-45905 CVE-2026-63957

Multiple vulnerabilities were discovered in SUSE Linux kernel. Some of them allow an attacker to cause compromise of data confidentiality, compromise of data integrity, and security policy bypass.

CSIRTS triage

vendor: SUSE product: Linux kernel Privilege escalation Information disclosureOther

What: Multiple vulnerabilities in the SUSE Linux kernel allow data confidentiality compromise, data integrity compromise, and security policy bypass.
Who is affected: All SUSE Linux systems are affected.
Urgency: High; multiple kernel vulnerabilities with direct impact on data confidentiality, integrity, and security policies.
Action: Apply SUSE kernel security patches immediately.

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

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-08-28
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1091/

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-2026-314830.12% 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-2026-532300.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-533980.54% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-531320.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-459050.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-639570.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-645610.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-638540.13% 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-2026-639740.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-639430.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-31483	coverage & exploitation status	NVD · CVE.org
CVE-2026-53230	coverage & exploitation status	NVD · CVE.org
CVE-2026-53398	coverage & exploitation status	NVD · CVE.org
CVE-2026-53132	coverage & exploitation status	NVD · CVE.org
CVE-2026-45905	coverage & exploitation status	NVD · CVE.org
CVE-2026-63957	coverage & exploitation status	NVD · CVE.org
CVE-2026-64561	coverage & exploitation status	NVD · CVE.org
CVE-2026-63854	coverage & exploitation status	NVD · CVE.org
CVE-2026-63974	coverage & exploitation status	NVD · CVE.org
CVE-2026-63943	coverage & exploitation status	NVD · CVE.org
CVE-2026-63843	coverage & exploitation status	NVD · CVE.org
CVE-2026-53374	coverage & exploitation status	NVD · CVE.org
CVE-2026-53002	coverage & exploitation status	NVD · CVE.org
CVE-2026-63921	coverage & exploitation status	NVD · CVE.org
CVE-2026-63882	coverage & exploitation status	NVD · CVE.org
CVE-2026-52947	coverage & exploitation status	NVD · CVE.org
CVE-2025-21845	coverage & exploitation status	NVD · CVE.org
CVE-2025-68741	coverage & exploitation status	NVD · CVE.org
CVE-2026-43161	coverage & exploitation status	NVD · CVE.org
CVE-2026-64179	coverage & exploitation status	NVD · CVE.org
CVE-2026-43168	coverage & exploitation status	NVD · CVE.org
CVE-2026-63852	coverage & exploitation status	NVD · CVE.org
CVE-2026-52970	coverage & exploitation status	NVD · CVE.org
CVE-2026-53297	coverage & exploitation status	NVD · CVE.org
CVE-2026-46319	coverage & exploitation status	NVD · CVE.org
CVE-2023-53995	coverage & exploitation status	NVD · CVE.org
CVE-2026-52999	coverage & exploitation status	NVD · CVE.org
CVE-2026-63807	coverage & exploitation status	NVD · CVE.org
CVE-2026-53399	coverage & exploitation status	NVD · CVE.org
CVE-2026-64221	coverage & exploitation status	NVD · CVE.org
CVE-2026-53106	coverage & exploitation status	NVD · CVE.org
CVE-2026-64025	coverage & exploitation status	NVD · CVE.org
CVE-2026-63931	coverage & exploitation status	NVD · CVE.org
CVE-2026-31542	coverage & exploitation status	NVD · CVE.org
CVE-2026-46170	coverage & exploitation status	NVD · CVE.org
CVE-2026-53185	coverage & exploitation status	NVD · CVE.org
CVE-2026-53391	coverage & exploitation status	NVD · CVE.org
CVE-2025-40204	coverage & exploitation status	NVD · CVE.org
CVE-2026-63924	coverage & exploitation status	NVD · CVE.org
CVE-2026-53291	coverage & exploitation status	NVD · CVE.org
CVE-2026-63928	coverage & exploitation status	NVD · CVE.org
CVE-2026-63940	coverage & exploitation status	NVD · CVE.org
CVE-2026-43046	coverage & exploitation status	NVD · CVE.org
CVE-2026-46117	coverage & exploitation status	NVD · CVE.org
CVE-2026-64223	coverage & exploitation status	NVD · CVE.org
CVE-2026-53331	coverage & exploitation status	NVD · CVE.org
CVE-2026-63821	coverage & exploitation status	NVD · CVE.org
CVE-2026-63915	coverage & exploitation status	NVD · CVE.org

+12 more CVEs referenced in this advisory.

Same CVEs, other sources

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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.

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