SB20240620242 - Resource management error in Linux kernel sched
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620242
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-47512)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the fq_pie_destroy() function in net/sched/sch_fq_pie.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2a51edaf5cc563574878b93d7ef3d5955dda7030
- https://git.kernel.org/stable/c/d86216dfda7c98375f809e26a30bfdaaba21d46e
- https://git.kernel.org/stable/c/61c2402665f1e10c5742033fce18392e369931d7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16