CVE-2025-38006 — Use of Uninitialized Resource in Linux
Severity
5.5MEDIUMNVD
OSV7.8OSV3.2
EPSS
0.1%
top 80.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 18
Latest updateMar 25
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
al…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages6 packages
▶CVEListV5linux/linux583be982d93479ea3d85091b0fd0b01201ede87d — acab78ae12c7fefb4f3bfe22e00770a5faa42724+4