#VU106128 Infinite loop in Linux kernel - CVE-2025-21872
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106128
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-2025-21872
CWE-ID: CWE-835
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 infinite loop within the efi_mokvar_table_init() function in drivers/firmware/efi/mokvar-table.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/2b90e7ace79774a3540ce569e000388f8d22c9e0
- https://git.kernel.org/stable/c/46c0454ffb78ce9d3355a3cccac86383ea8ddd55
- https://git.kernel.org/stable/c/65f4aebb8127708ba668dd938e83b8558abfc5cd
- https://git.kernel.org/stable/c/97bd560b6cc4c26386a53b4881bf03e96f9ba03a
- https://git.kernel.org/stable/c/ea3f0b362dfe4ef885ef812bfaf4088176422c91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83