#VU99136 Resource management error in Linux kernel - CVE-2022-49021
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99136
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-2022-49021
CWE-ID: CWE-399
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 resource management error within the module_put() function in drivers/net/phy/phy_device.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/8aaafe0f71314f46a066382a047ba8bb3840d273
- https://git.kernel.org/stable/c/51d7f6b20fae8bae64ad1136f1e30d1fd5ba78f7
- https://git.kernel.org/stable/c/0744c7be4de564db03e24527b2e096b7e0e20972
- https://git.kernel.org/stable/c/3e21f85d87c836462bb52ef2078ea561260935c1
- https://git.kernel.org/stable/c/fe6bc99c27c21348f548966118867ed26a9a372c
- https://git.kernel.org/stable/c/7730904f50c7187dd16c76949efb56b5fb55cd57
- https://git.kernel.org/stable/c/eaa5722549ac2604ffa56c2e946acc83226f130c
- https://git.kernel.org/stable/c/369eb2c9f1f72adbe91e0ea8efb130f0a2ba11a6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.301
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.335
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1