#VU112216 NULL pointer dereference in Linux kernel - CVE-2025-38123
Published: July 4, 2025
Vulnerability identifier: #VU112216
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-2025-38123
CWE-ID: CWE-476
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 NULL pointer dereference within the t7xx_ccmni_wwan_newlink(), t7xx_ccmni_wwan_dellink(), t7xx_ccmni_recv_skb(), t7xx_ccmni_queue_tx_irq_notify() and t7xx_ccmni_queue_state_notify() functions in drivers/net/wwan/t7xx/t7xx_netdev.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.