SB2024091362 - NULL pointer dereference in Linux kernel smb client
Published: September 13, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091362
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-2024-46686)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the smb2_new_read_req() function in fs/smb/client/smb2pdu.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/6df57c63c200cd05e085c3b695128260e21959b7
- https://git.kernel.org/stable/c/a01859dd6aebf826576513850a3b05992809e9d2
- https://git.kernel.org/stable/c/b902fb78ab21299e4dd1775e7e8d251d5c0735bc
- https://git.kernel.org/stable/c/c724b2ab6a46435b4e7d58ad2fbbdb7a318823cf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.49