SB2024053061 - Memory leak in Linux kernel core
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053061
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) Memory leak (CVE-ID: CVE-2021-47298)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the sk_psock_skb_ingress() and sk_psock_skb_ingress_self() functions in net/core/skmsg.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/715f378f42909c401ec043f5150c4fdf57fb8889
- https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
- https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14