SB20250226552 - Input validation error in Linux kernel md driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226552
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2022-49526)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the le32_to_cpu() and kunmap_atomic() functions in drivers/md/md-bitmap.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0959aa00f9765bd8c654b1365012e41b51c733cc
- https://git.kernel.org/stable/c/27f672af28a8e9b783ff7f0eaf7ef2fbd5a2f4ba
- https://git.kernel.org/stable/c/422e8f7ba1e08c8e0e88d375bcb550bc2bbfe96d
- https://git.kernel.org/stable/c/cf9392282a2cf5a8d83dd1c5aa1a097e12f172bc
- https://git.kernel.org/stable/c/d8f1558e1daf54f53a90b4c5700ae3e3a4b13412
- https://git.kernel.org/stable/c/e68cb83a57a458b01c9739e2ad9cb70b04d1e6d2
- https://git.kernel.org/stable/c/e69e93120f6219b9cc4fba3b515b6ababd8548aa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121