SB20240608158 - Improper locking in Linux kernel sched
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608158
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) Improper locking (CVE-ID: CVE-2024-35892)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the qdisc_tree_reduce_backlog() function in net/sched/sch_api.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/b7d1ce2cc7192e8a037faa3f5d3ba72c25976460
- https://git.kernel.org/stable/c/c040b99461a5bfc14c2d0cbb1780fcc3a4706c7e
- https://git.kernel.org/stable/c/07696415526bee0607e495017369c7303a4792e1
- https://git.kernel.org/stable/c/7eb322360b0266481e560d1807ee79e0cef5742b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5