CVE-2025-38111Out-of-bounds Read in Linux

CWE-125Out-of-bounds Read69 documents8 sources
Severity
7.1HIGHNVD
OSV3.2
EPSS
0.0%
top 91.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 3
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: net/mdiobus: Fix potential out-of-bounds read/write access When using publicly available tools like 'mdio-tools' to read/write data from/to network interface and its PHY via mdiobus, there is no verification of parameters passed to the ioctl and it accepts any mdio address. Currently there is support for 32 addresses in kernel via PHY_MAX_ADDR define, but it is possible to pass higher value than that via ioctl. While read/writ

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages4 packages

NVDlinux/linux_kernel5.65.10.239+6
Debianlinux/linux_kernel< 5.10.244-1+3
Ubuntulinux/linux_kernel< 5.15.0-156.166+1
CVEListV5linux/linux080bb352fad00d04995102f681b134e3754bfb6e19c5875e26c4ed5686d82a7d8f7051385461b9eb+7

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

35
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

33
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-38111 — Out-of-bounds Read in Linux | cvebase