SB20240731104 - Improper error handling in Linux kernel smb server
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20240731104
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) Improper error handling (CVE-ID: CVE-2024-41030)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the smb2_create_open_flags() and smb2_open() functions in fs/smb/server/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/66cf853e1c7a2407f15d9f7aaa3e47d61745e361
- https://git.kernel.org/stable/c/9e84b1ba5c98fb5c9f869c85db1d870354613baa
- https://git.kernel.org/stable/c/198498b2049c0f11f7670be6974570e02b0cc035
- https://git.kernel.org/stable/c/e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41