SB2024060375 - Improper locking in Linux kernel md driver
Published: June 3, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-26962)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the make_stripe_request(), raid5_make_request(), raid5_start() and raid5_init() functions in drivers/md/raid5.c, within the is_suspended() and md_account_bio() functions in drivers/md/md.c, within the raid_map(), raid_message(), raid_presuspend() and raid_resume() functions in drivers/md/dm-raid.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/5943a34bf6bab5801e08a55f63e1b8d5bc90dae1
- https://git.kernel.org/stable/c/a8d249d770cb357d16a2097b548d2e4c1c137304
- https://git.kernel.org/stable/c/41425f96d7aa59bc865f60f5dda3d7697b555677
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3