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CVE-2025-38006

5.5 · MEDIUM
Published Jun 18, 2025 linux CWE-908 EPSS 0.17% (6th pctl)

Overview

CVE-2025-38006 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

net: mctp: Don't access ifa_index when missing

In mctp_dump_addrinfo, ifa_index can be used to filter interfaces, but

only when the struct ifaddrmsg is provided. Otherwise it will be

comparing to uninitialised memory - reproducible in the syzkaller case from

dhcpd, or busybox "ip addr show".

The kernel MCTP implementation has always filtered by ifa_index, so

existing userspace programs expecting to dump MCTP addresses must

already be passing a valid ifa_index value (either 0 or a real index).

BUG: KMSAN: uninit-value in mctp_dump_addrinfo+0x208/0xac0 net/mctp/device.c:128

mctp_dump_addrinfo+0x208/0xac0 net/mctp/device.c:128

rtnl_dump_all+0x3ec/0x5b0 net/core/rtnetlink.c:4380

rtnl_dumpit+0xd5/0x2f0 net/core/rtnetlink.c:6824

netlink_dump+0x97b/0x1690 net/netlink/af_netlink.c:2309

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 5.15, < 6.6.92 Affected

Frequently Asked Questions

What is CVE-2025-38006?

CVE-2025-38006 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38006?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38006?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-38006?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-38006 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.