SB2024073159 - NULL pointer dereference in Linux kernel block null_blk driver
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073159
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-2024-41077)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the null_validate_conf() function in drivers/block/null_blk/main.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/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
- https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
- https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
- https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
- https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
- https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.42