CVE-2026-31501

unknowncovered by 1 sourcefirst seen 2026-08-12

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Media drivers; - Network drivers; - Mellanox network drivers; - Texas Instruments network drivers; - NVME drivers; - File systems infrastructure; - SMB network file system; - IPv4 networking; - Network traffic control; - TCP network protocol; - Locking primitives; - Memory management; - IPv6 networking; - Multipath TCP; - Netfilter; - RxRPC session sockets; - SCTP protocol; - SMC sockets; (CVE-2026-31405, CVE-2026-31414, CVE-2026-31501, CVE-2026-31589, CVE-2026-31633, CVE-2026-31636, CVE-2026-31705, CVE-2026-43198, CVE-2026-43379, CVE-2026-43465, CVE-2026-43499, CVE-2026-46113, CVE-2026-46137, CVE-2026-46242, CVE-2026-46331, CVE-2026-52924, CVE-2026-52989, CVE-2026-53086, CVE-2026-53131, CVE-2026-53176, CVE-2026-53212, CVE-2026-53225, CVE-2026-53228, CVE-2026-53359)

CSIRTS triage

What: Multiple vulnerabilities in Linux kernel subsystems including x86 architecture, network drivers, file systems, and protocol handlers.
Who is affected: Systems running affected Linux kernel versions across x86 architecture and various network/storage subsystems.
Urgency: Moderate; multiple flaws affecting core kernel subsystems warrant timely patching to reduce attack surface.
Action: Apply kernel security update USN-8636-1 from Ubuntu security repositories.

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Exploitation outlook

Low exploitation risk0.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownUSN-8636-1: Linux kernel vulnerabilitiesubuntu · 2026-08-12

External references

NVD record for CVE-2026-31501

CVE.org record

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