SB2024062448 - Buffer overflow in Linux kernel sched
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062448
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-2021-47595)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the ets_qdisc_change() function in net/sched/sch_ets.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/81fbdd45652d8605a029e78ef14a6aaa529c4e72
- https://git.kernel.org/stable/c/491c1253441e2fdc8f6a6f4976e3f13440419b7a
- https://git.kernel.org/stable/c/c062f2a0b04d86c5b8c9d973bea43493eaca3d32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16