#VU104603 NULL pointer dereference in Linux kernel - CVE-2022-49568
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104603
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-2022-49568
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 kvm_ioctl_create_device() function in virt/kvm/kvm_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/170465715a60cbb7876e6b961b21bd3225469da8
- https://git.kernel.org/stable/c/3616776bc51cd3262bb1be60cc01c72e0a1959cf
- https://git.kernel.org/stable/c/d4a5a79b780891c5cbdfdc6124d46fdf8d13dba1
- https://git.kernel.org/stable/c/e8bc2427018826e02add7b0ed0fc625a60390ae5
- https://git.kernel.org/stable/c/e91665fbbf3ccb268b268a7d71a6513538d813ac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.58