#VU93456 Resource management error in Linux kernel - CVE-2021-46957
Published: June 27, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93456
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-2021-46957
CWE-ID: CWE-399
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 resource management error within the kprobe_fault_handler() function in arch/riscv/kernel/probes/kprobes.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.