NULL pointer dereference in Linux kernel - CVE-2022-48640
Published: June 5, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91238
CSH Severity: 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-2022-48640
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 bond_open() and bond_init() functions in drivers/net/bonding/bond_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/ec3a6f4ffe556a28f6f5028bf7c4412557e7051b
- https://git.kernel.org/stable/c/2c8e8ab53acfc78da0b4a65f30cb5d306e7d78f7
- https://git.kernel.org/stable/c/0e400d602f46360752e4b32ce842dba3808e15e6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0