#VU113372 Use-after-free in Linux kernel - CVE-2025-38472
Published: July 29, 2025
Vulnerability identifier: #VU113372
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-2025-38472
CWE-ID: CWE-416
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 a use-after-free error within the nf_ct_resolve_clash_harder(), __nf_conntrack_confirm() and __nf_conntrack_insert_prepare() functions in net/netfilter/nf_conntrack_core.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/2d72afb340657f03f7261e9243b44457a9228ac7
- https://git.kernel.org/stable/c/76179961c423cd698080b5e4d5583cf7f4fcdde9
- https://git.kernel.org/stable/c/938ce0e8422d3793fe30df2ed0e37f6bc0598379
- https://git.kernel.org/stable/c/a47ef874189d47f934d0809ae738886307c0ea22
- https://git.kernel.org/stable/c/fc38c249c622ff5e3011b8845fd49dbfd9289afc