SB20241230105 - Out-of-bounds read in Linux kernel smb server
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241230105
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-2024-56626)
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_write() 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/164d3597d26d9acff5d5b8bc3208bdcca942dd6a
- https://git.kernel.org/stable/c/313dab082289e460391c82d855430ec8a28ddf81
- https://git.kernel.org/stable/c/8cd7490fc0f268883e86e840cda5311257af69ca
- https://git.kernel.org/stable/c/c5797f195c67132d061d29c57a7c6d30530686f0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5