#VU113247 Use-after-free in Linux kernel - CVE-2025-38392
Published: July 27, 2025
Vulnerability identifier: #VU113247
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-2025-38392
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 idpf_alloc_dma_mem() and idpf_free_dma_mem() functions in drivers/net/ethernet/intel/idpf/idpf_lib.c, within the idpf_ctlq_init_rxq_bufs(), idpf_ctlq_shutdown(), idpf_ctlq_add(), idpf_ctlq_send(), idpf_ctlq_clean_sq(), idpf_ctlq_post_rx_buffs(), wr32() and idpf_ctlq_recv() functions in drivers/net/ethernet/intel/idpf/idpf_controlq.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.