#VU117288 Buffer overflow in Linux kernel - CVE-2025-39968
Published: October 15, 2025
Vulnerability identifier: #VU117288
Vulnerability risk: Low
CVSSv4.0: 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-2025-39968
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the i40e_vc_del_cloud_filter() and i40e_vc_add_cloud_filter() functions in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/02aae5fcdd34c3a55a243d80a1b328a35852a35c
- https://git.kernel.org/stable/c/77a35be582dff4c80442ebcdce24d45eed8a6ce4
- https://git.kernel.org/stable/c/8b13df5aa877b9e4541e301a58a84c42d84d2d9a
- https://git.kernel.org/stable/c/9176e18681cb0d34c5acc87bda224f5652af2ab8
- https://git.kernel.org/stable/c/cb79fa7118c150c3c76a327894bb2eb878c02619
- https://git.kernel.org/stable/c/d33e5d6631ac4fddda235a7815babc9d3f124299
- https://git.kernel.org/stable/c/e490d8c5a54e0dd1ab22417d72c3a7319cf0f030
- https://git.kernel.org/stable/c/edecce7abd7152b48e279b4fa0a883d1839bb577