#VU104612 NULL pointer dereference in Linux kernel - CVE-2022-49688
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104612
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-2022-49688
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 afs_getattr() function in fs/afs/inode.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/2b2bba96526f25f2eba74ecadb031de2e05a83ce
- https://git.kernel.org/stable/c/65c24caf1b9f5b08397c6e805ec24ebc390c6e4d
- https://git.kernel.org/stable/c/7844ceada44eca740d31beb3d97b8511b1ca0a9b
- https://git.kernel.org/stable/c/7b564e3254b7db5fbfbf11a824627a6c31b932b4
- https://git.kernel.org/stable/c/cb78d1b5efffe4cf97e16766329dd7358aed3deb
- https://git.kernel.org/stable/c/e3a232e5767051483ffad4cef7d0a89d292a192b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.202