SB2024060845 - Information disclosure in Linux kernel core
Published: June 8, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-47514)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the devlink_nl_cmd_reload() function in net/core/devlink.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4b7e90672af8e0c78205db006f1b0a20ebd07f5f
- https://git.kernel.org/stable/c/fe30b70ca84da9c4aca85c03ad86e7a9b89c5ded
- https://git.kernel.org/stable/c/4dbb0dad8e63fcd0b5a117c2861d2abe7ff5f186
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16