Information disclosure in Linux kernel - CVE-2022-48639
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91361
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48639
CWE-ID: CWE-200
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 gain access to sensitive information.
The vulnerability exists due to information disclosure within the net/sched/cls_api.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/903f7d322c17d8e306d766404b4604e81653902a
- https://git.kernel.org/stable/c/8844c750eeb03452e2b3319c27a526f447b82596
- https://git.kernel.org/stable/c/f8162aed962be8fa07445b2b5928e84ab40dd8d7
- https://git.kernel.org/stable/c/0559d91ee3a2cd81b15ad5cd507539d6da867f88
- https://git.kernel.org/stable/c/c2e1cfefcac35e0eea229e148c8284088ce437b5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0