SB20240620112 - Improper check for unusual or exceptional conditions in Linux kernel arm mach-footbridge

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Main Vulnerability Database SB20240620112

SB20240620112 - Improper check for unusual or exceptional conditions in Linux kernel arm mach-footbridge

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

Security Bulletin ID SB20240620112
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper check for unusual or exceptional conditions (CVE-ID: CVE-2021-46909)

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 website.

References