CVE-2026-53216
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; - Network drivers; - Thunderbolt and USB4 drivers; - Network traffic control; - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53146, CVE-2026-53147, CVE-2026-53148, CVE-2026-53149, CVE-2026-53150, CVE-2026-53151, CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260, CVE-2026-53359)
CSIRTS triage
- What
- Multiple security flaws in kernel subsystems including x86, InfiniBand, network drivers, Thunderbolt, USB4, network traffic control, IPv4/IPv6, Netfilter, RxRPC, and SCTP.
- Who is affected
- Systems running affected OEM Linux kernel versions.
- Urgency
- High; multiple vectors across critical kernel subsystems warrant timely patching.
- Action
- Apply kernel update via OEM channels to address all listed CVEs.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-53216
Get an email if CVE-2026-53216 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownUSN-8637-1: Linux kernel (OEM) vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8629-1: Linux kernel vulnerabilitiesubuntu · 2026-08-12
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-53216)