Integer underflow in Linux kernel - CVE-2025-38200
Published: July 5, 2025
Vulnerability identifier: #VU112322
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38200
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the i40e_pf_reset() function in drivers/net/ethernet/intel/i40e/i40e_common.c. A local user can execute arbitrary code.
How to mitigate CVE-2025-38200
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/015bac5daca978448f2671478c553ce1f300c21e
- https://git.kernel.org/stable/c/2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca
- https://git.kernel.org/stable/c/3502dd42f178dae9d54696013386bb52b4f2e655
- https://git.kernel.org/stable/c/5e75c9082987479e647c75ec8fdf18fa68263c42
- https://git.kernel.org/stable/c/872607632c658d3739e4e7889e4f3c419ae2c193
- https://git.kernel.org/stable/c/8cde755f56163281ec2c46b4ae8b61f532758a6f
- https://git.kernel.org/stable/c/d88a1e8f024ba26e19350958fecbf771a9960352
- https://git.kernel.org/stable/c/fecb2fc3fc10c95724407cc45ea35af4a65cdde2