#VU113254 Out-of-bounds read in Linux kernel - CVE-2025-38375
Published: July 27, 2025
Vulnerability identifier: #VU113254
Vulnerability risk: Low
CVSSv4.0: 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-2025-38375
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mergeable_ctx_to_truesize(), virtnet_get_headroom(), xdp_linearize_page(), receive_small_xdp() and mergeable_xdp_get_buf() functions in drivers/net/virtio_net.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/11f2d0e8be2b5e784ac45fa3da226492c3e506d8
- https://git.kernel.org/stable/c/315dbdd7cdf6aa533829774caaf4d25f1fd20e73
- https://git.kernel.org/stable/c/6aca3dad2145e864dfe4d1060f45eb1bac75dd58
- https://git.kernel.org/stable/c/80b971be4c37a4d23a7f1abc5ff33dc7733d649b
- https://git.kernel.org/stable/c/982beb7582c193544eb9c6083937ec5ac1c9d651
- https://git.kernel.org/stable/c/bc68bc3563344ccdc57d1961457cdeecab8f81ef