SB20250227157 - Improper Initialization in Linux kernel md driver
Published: February 27, 2025 Updated: May 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Initialization (CVE-ID: CVE-2025-21712)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization within the md_seq_show() function in drivers/md/md.c, within the bitmap_get_stats() function 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/237e19519c8ff6949f0ef57c4a0243f5b2b0fa18
- https://git.kernel.org/stable/c/4e9316eee3885bfb311b4759513f2ccf37891c09
- https://git.kernel.org/stable/c/8d28d0ddb986f56920ac97ae704cc3340a699a30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.130
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.80