SB2024062560 - Resource management error in Linux kernel netrom

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Main Vulnerability Database SB2024062560

SB2024062560 - Resource management error in Linux kernel netrom

Published: June 25, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062560
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) Resource management error (CVE-ID: CVE-2021-47294)

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

The vulnerability exists due to resource management error within the nr_heartbeat_expiry(), nr_t2timer_expiry(), nr_t4timer_expiry(), nr_idletimer_expiry() and nr_t1timer_expiry() functions in net/netrom/nr_timer.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References