#VU104706 Improper locking in Linux kernel - CVE-2022-49142
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104706
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-2022-49142
CWE-ID: CWE-667
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 improper locking within the skb_realloc_headroom() function in net/core/skbuff.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/23629b673b780d967b88a850b1518cf0f0ffc6aa
- https://git.kernel.org/stable/c/2b88cba55883eaafbc9b7cbff0b2c7cdba71ed01
- https://git.kernel.org/stable/c/a903e516f5df44b46d526b403d93e7be1a425538
- https://git.kernel.org/stable/c/a9a6d30264327d8ff7f23da33e7a77ffb793fa3f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19