SB20241230104 - Out-of-bounds read in Linux kernel smb server
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241230104
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) Out-of-bounds read (CVE-ID: CVE-2024-56627)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the smb2_read() function 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/27de4295522e9a33e4a3fc72f7b8193df9eebe41
- https://git.kernel.org/stable/c/81eed631935f2c52cdaf6691c6d48e0b06e8ad73
- https://git.kernel.org/stable/c/de4d790dcf53be41736239d7ee63849a16ff5d10
- https://git.kernel.org/stable/c/fc342cf86e2dc4d2edb0fc2ff5e28b6c7845adb9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.176
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66