#VU120464 NULL pointer dereference in Linux kernel - CVE-2022-50731
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120464
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-2022-50731
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 akcipher_default_op() and crypto_register_akcipher() functions in crypto/akcipher.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/779a9930f3e152c82699feb389a0e6d6644e747e
- https://git.kernel.org/stable/c/85bc736a18b872f54912e8bb70682d11770aece0
- https://git.kernel.org/stable/c/95c4e20adc3ea00d1594a2a05d9b187ed12ffa8e
- https://git.kernel.org/stable/c/a1354bdd191d533211b7cb723aa76a66f516f197
- https://git.kernel.org/stable/c/bc155c6c188c2f0c5749993b1405673d25a80389
- https://git.kernel.org/stable/c/f9058178597059d6307efe96a7916600f8ede08c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3