Buffer overflow in Linux kernel - CVE-2025-38413

 

Buffer overflow in Linux kernel - CVE-2025-38413

Published: July 27, 2025


Vulnerability identifier: #VU113319
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38413
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the check_sq_full_and_disable(), xsk_append_merge_buffer() and virtnet_receive_xsk_buf() functions in drivers/net/virtio_net.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2025-38413

Install update from vendor's repository.

Sources