CVE-2025-39743
A remote, anonymous attacker can exploit multiple vulnerabilities in the Linux Kernel to bypass security mechanisms, as well as conduct a denial of service attack or other unspecified attacks.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit multiple vulnerabilities in the Linux Kernel to bypass security mechanisms and conduct a denial of service attack or other unspecified attacks.
- Who is affected
- Deployments of the Linux Kernel are affected.
- Urgency
- Remediation is high urgency due to the high severity and potential for denial of service attacks.
- Action
- Apply patches for the Linux Kernel as soon as possible.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2025-39743
Get an email if CVE-2025-39743 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 risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (1)
- high[UPDATE] [high] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-07
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-2025-39743)