SB20240531216 - Out-of-bounds read in Linux kernel sched

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB20240531216

SB20240531216 - Out-of-bounds read in Linux kernel sched

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531216
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) Out-of-bounds read (CVE-ID: CVE-2021-47243)

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

The vulnerability exists due to an out-of-bounds read error within the cake_get_tcphdr(), cake_get_tcpopt() and cake_tcph_may_drop() functions in net/sched/sch_cake.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References