#VU92396 Improper check for unusual or exceptional conditions in Linux kernel - CVE-2021-46909

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Main Vulnerability Database Vulnerabilities #VU92396

#VU92396 Improper check for unusual or exceptional conditions in Linux kernel - CVE-2021-46909

Published: June 20, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU92396
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-2021-46909
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper check for unusual or exceptional conditions error within the personal_server_map_irq() function in arch/arm/mach-footbridge/personal-pci.c, within the netwinder_map_irq() function in arch/arm/mach-footbridge/netwinder-pci.c, within the ebsa285_map_irq() function in arch/arm/mach-footbridge/ebsa285-pci.c, within the cats_no_swizzle() function in arch/arm/mach-footbridge/cats-pci.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links