CVE-2025-40135 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
February 12, 2026
Last Seen
June 4, 2026

CVE-2025-40135 is a vulnerability tracked across 3 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed February 12, 2026; most recent activity June 4, 2026.

Related Threat Clusters

  • Oracle Linux Kernel Security Updates Address Multiple Vulnerabilities

    On June 4, 2026, Oracle released multiple security advisories for its Linux kernels across various versions. The updates address critical vulnerabilities, including CVE-2026-46300 and CVE-2026-46333, affecting Oracle…

    6 articles · Updated June 4, 2026
  • Multiple CVEs Identified in IPv6 Implementation by Microsoft

    Microsoft has published information on two critical vulnerabilities in the IPv6 implementation. CVE-2025-40158 and CVE-2025-40135, both published on November 12, 2025, involve the use of RCU in the ip6_output() and…

    2 articles · Updated February 18, 2026
  • Multiple Linux Kernel Vulnerabilities Discovered and Patched

    Several vulnerabilities were identified in the Linux kernel affecting various architectures and subsystems. These vulnerabilities could allow attackers to compromise systems running affected versions of the kernel.…

    304 articles · Updated February 12, 2026

Recent Intelligence Reports

  • Oracle ELSA-2026 — Linuxsecurity · June 4, 2026
  • Oracle Linux 9 Kernel Significant Security Update ELSA-2026 — Linuxsecurity · June 4, 2026
  • CVE-2025-40135 ipv6: use RCU in ip6_xmit() — Api.Msrc.Microsoft · February 18, 2026
  • Ubuntu 25.10 Linux GCP Important Kernel Security Fix CVE-2025 — Linuxsecurity · February 12, 2026
  • Ubuntu 25.10 Kernel Major Security Vulnerabilities USN-8029 — Linuxsecurity · February 12, 2026

CVSS v3.1 Breakdown