SB2025032752 - Division by zero in Linux kernel md driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032752
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) Division by zero (CVE-ID: CVE-2025-21874)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero error within the dm_integrity_status() function in drivers/md/dm-integrity.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/06d9895f265282e939a8933bb18de82eba2b4dda
- https://git.kernel.org/stable/c/22c6f577b3cb184857b440ae5e5916f6c9e7021d
- https://git.kernel.org/stable/c/7fb39882b20c98a9a393c244c86b56ef6933cff8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14