SB20250502198 - NULL pointer dereference in Linux kernel block driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502198
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) NULL pointer dereference (CVE-ID: CVE-2025-37759)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ublk_complete_rq() and __ublk_fail_req() functions in drivers/block/ublk_drv.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/0a21d259ca4d6310fdfcc0284ebbc000e66cbf70
- https://git.kernel.org/stable/c/5d34a30efac9c9c93e150130caa940c0df6053c1
- https://git.kernel.org/stable/c/6ee6bd5d4fce502a5b5a2ea805e9ff16e6aa890f
- https://git.kernel.org/stable/c/caa5c8a2358604f38bf0a4afaa5eacda13763067
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.24