#VU107716 NULL pointer dereference in Linux kernel - CVE-2025-22063
Vulnerability identifier: #VU107716
Vulnerability risk: Low
CVSSv4.0: 4.3 [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:
CWE-ID:
CWE-476
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: 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 calipso_sock_getattr() and calipso_sock_setattr() functions in net/ipv6/calipso.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 5.15, 5.15 rc1, 5.15 rc2, 5.15 rc3, 5.15 rc4, 5.15 rc5, 5.15 rc6, 5.15 rc7, 5.15.0, 5.15.1, 5.15.2, 5.15.3, 5.15.4, 5.15.5, 5.15.6, 5.15.7, 5.15.8, 5.15.9, 5.15.10, 5.15.11, 5.15.12, 5.15.13, 5.15.14, 5.15.15, 5.15.16, 5.15.17, 5.15.18, 5.15.19, 5.15.20, 5.15.21, 5.15.22, 5.15.23, 5.15.24, 5.15.25, 5.15.26, 5.15.27, 5.15.28, 5.15.29, 5.15.30, 5.15.31, 5.15.32, 5.15.33, 5.15.34, 5.15.35, 5.15.36, 5.15.37, 5.15.38, 5.15.39, 5.15.40, 5.15.41, 5.15.42, 5.15.43, 5.15.44, 5.15.45, 5.15.46, 5.15.47, 5.15.48, 5.15.49, 5.15.50, 5.15.51, 5.15.52, 5.15.53, 5.15.54, 5.15.55, 5.15.56, 5.15.57, 5.15.58, 5.15.59, 5.15.60, 5.15.61, 5.15.62, 5.15.63, 5.15.64, 5.15.65, 5.15.66, 5.15.67, 5.15.68, 5.15.69, 5.15.70, 5.15.71, 5.15.72, 5.15.73, 5.15.74, 5.15.75, 5.15.76, 5.15.77, 5.15.78, 5.15.79, 5.15.80, 5.15.81, 5.15.82, 5.15.83, 5.15.84, 5.15.85, 5.15.86, 5.15.87, 5.15.88, 5.15.89, 5.15.90, 5.15.91, 5.15.92, 5.15.93, 5.15.94, 5.15.95, 5.15.96, 5.15.97, 5.15.98, 5.15.99, 5.15.100, 5.15.101, 5.15.102, 5.15.103, 5.15.104, 5.15.105, 5.15.106, 5.15.107, 5.15.108, 5.15.109, 5.15.110, 5.15.111, 5.15.112, 5.15.113, 5.15.114, 5.15.115, 5.15.116, 5.15.117, 5.15.118, 5.15.119, 5.15.120, 5.15.121, 5.15.122, 5.15.123, 5.15.124, 5.15.125, 5.15.126, 5.15.127, 5.15.128, 5.15.129, 5.15.130, 5.15.131, 5.15.132, 5.15.133, 5.15.134, 5.15.135, 5.15.136, 5.15.137, 5.15.138, 5.15.139, 5.15.140, 5.15.141, 5.15.142, 5.15.143, 5.15.144, 5.15.145, 5.15.146, 5.15.147, 5.15.148, 5.15.149, 5.15.150, 5.15.151, 5.15.152, 5.15.153, 5.15.154, 5.15.155, 5.15.156, 5.15.157, 5.15.158, 5.15.159, 5.15.160, 5.15.161, 5.15.162, 5.15.163, 5.15.164, 5.15.165, 5.15.166, 5.15.167, 5.15.168, 5.15.169, 5.15.170, 5.15.171, 5.15.172, 5.15.173, 5.15.174, 5.15.175, 5.15.176, 5.15.177, 5.15.178, 5.15.179
External links
https://git.kernel.org/stable/c/078aabd567de3d63d37d7673f714e309d369e6e2
https://git.kernel.org/stable/c/172a8a996a337206970467e871dd995ac07640b1
https://git.kernel.org/stable/c/1927d0bcd5b81e80971bf6b8eba267508bd1c78b
https://git.kernel.org/stable/c/1ad9166cab6a0f5c0b10344a97bdf749ae11dcbf
https://git.kernel.org/stable/c/1e38f7a6cdd68377f8a4189b2fbaec14a6dd5152
https://git.kernel.org/stable/c/3ba9cf69de50e8abed32b448616c313baa4c5712
https://git.kernel.org/stable/c/797e5371cf55463b4530bab3fef5f27f7c6657a8
https://git.kernel.org/stable/c/9fe3839588db7519030377b7dee3f165e654f6c5
https://git.kernel.org/stable/c/a7e89541d05b98c79a51c0f95df020f8e82b62ed
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
