CVE-2026-53184: udp: clear skb->dev before running a sockmap verdict
CSIRTS triage
- What
- Clears skb->dev before running a sockmap verdict.
- Who is affected
- Deployments using UDP in Linux.
- Urgency
- Remediation is advised due to the medium severity rating.
- Action
- Update to the latest kernel version that addresses this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53184
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-2026-531840.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53184 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for udp
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.
- highCVE-2026-11352: An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server to trigger a rem…nvd · 2026-07-03
- mediumCVE-2026-10655: The asynchronous SNTP client in Zephyr (subsys/net/lib/sntp/sntp.c, sntp_close_async) closed t…nvd · 2026-06-30
- mediumCVE-2026-48497: Envoy is an open source edge and service proxy designed for cloud-native applications. Prior t…nvd · 2026-06-26
- mediumCVE-2026-53070: sctp: disable BH before calling udp_tunnel_xmit_skb()msrc · 2026-06-09
- criticalexploitedCVE-2015-4068: Arcserve Unified Data Protection (UDP) Directory Traversal Vulnerabilitycisa-kev · 2022-03-25
- criticalexploitedCVE-2017-6627: Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerabil…cisa-kev · 2022-03-03
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