SB20251001148 - Buffer overflow in Linux kernel sched
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001148
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) Buffer overflow (CVE-ID: CVE-2022-50452)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the cake_dequeue() function 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
- https://git.kernel.org/stable/c/154f4c06d9dbec1a14e91286c70b6305810302e0
- https://git.kernel.org/stable/c/1dc0a019550fd38ec6cab2d73c90df2bd659c96b
- https://git.kernel.org/stable/c/51f9a8921ceacd7bf0d3f47fa867a64988ba1dcb
- https://git.kernel.org/stable/c/86aa1390898146f1de277bb6d2a8ed7fc7a43f12
- https://git.kernel.org/stable/c/ae48bee2830bf216800e1447baca39541e27a12e
- https://git.kernel.org/stable/c/bc8301ea7e7f1bb9d2ba2fcdf7b5ec2f0792b47e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.221