SB20240608123 - Information disclosure in Linux kernel ceph
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608123
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-47000)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the __fh_to_dentry() function in fs/ceph/export.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2ad8af2b70e986284050213230428b823b950a38
- https://git.kernel.org/stable/c/bf45c9fe99aa8003d2703f1bd353f956dea47e40
- https://git.kernel.org/stable/c/22fa4c8288f1ec40f6d62d7a32c57ac176f9f0bc
- https://git.kernel.org/stable/c/0a219432127d396120fc88cabd82785e0ff72a2f
- https://git.kernel.org/stable/c/1775c7ddacfcea29051c67409087578f8f4d751b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.120