SB2024081978 - NULL pointer dereference in Linux kernel smb client
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081978
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-2024-42307)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the init_cifs(), destroy_mids() and destroy_workqueue() functions in fs/smb/client/cifsfs.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/6018971710fdc7739f8655c1540832b4bb903671
- https://git.kernel.org/stable/c/160235efb4f9b55212dedff5de0094c606c4b303
- https://git.kernel.org/stable/c/3739d711246d8fbc95ff73dbdace9741cdce4777
- https://git.kernel.org/stable/c/193cc89ea0ca1da311877d2b4bb5e9f03bcc82a2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44