SB2024091889 - NULL pointer dereference in Linux kernel block driver
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091889
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-2024-46735)
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_ctrl_start_recovery() function 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/ca249435893dda766f3845c15ca77ca5672022d8
- https://git.kernel.org/stable/c/136a29d8112df4ea0a57f9602ddf3579e04089dc
- https://git.kernel.org/stable/c/7c890ef60bf417d3fe5c6f7a9f6cef0e1d77f74f
- https://git.kernel.org/stable/c/e58f5142f88320a5b1449f96a146f2f24615c5c7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51