#VU104579 NULL pointer dereference in Linux kernel - CVE-2022-49472
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104579
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-2022-49472
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 kszphy_config_reset(), kszphy_config_init() and kszphy_probe() functions in drivers/net/phy/micrel.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/143878e18001c5a61fcc7ae5c5240323753bb641
- https://git.kernel.org/stable/c/1e5fbfc2a6f384e3195446c14bbd3bc298eb88c2
- https://git.kernel.org/stable/c/660dfa033ccc9afb032015b6dc76e846bba42cfb
- https://git.kernel.org/stable/c/7dcb404662839a4ed1a9703658fee979eb894ca4
- https://git.kernel.org/stable/c/91e720b32cba25fa58eaa4c88fe957009cffe9f3
- https://git.kernel.org/stable/c/abb5594ae2ba7b82cce85917cc6337ec5d774837
- https://git.kernel.org/stable/c/bd219273b4e004a3f853da72e111fc8f81357501
- https://git.kernel.org/stable/c/f2ef6f7539c68c6bd6c32323d8845ee102b7c450
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.283
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198