#VU90881 Use of uninitialized resource in Linux kernel - CVE-2024-26638
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90881
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26638
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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