SB20240603154 - Use of uninitialized resource in Linux kernel block driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603154
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) Use of uninitialized resource (CVE-ID: CVE-2024-26638)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the __sock_xmit() function in drivers/block/nbd.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/d9c54763e5cdbbd3f81868597fe8aca3c96e6387
- https://git.kernel.org/stable/c/1960f2b534da1e6c65fb96f9e98bda773495f406
- https://git.kernel.org/stable/c/b0028f333420a65a53a63978522db680b37379dd
- https://git.kernel.org/stable/c/78fbb92af27d0982634116c7a31065f24d092826
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8