SB20240530138 - Memory leak in Linux kernel vmw_vsock
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530138
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-2021-47024)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the virtio_transport_reset_no_sock(), virtio_transport_do_close() and virtio_transport_close() functions in net/vmw_vsock/virtio_transport_common.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/b605673b523fe33abeafb2136759bcbc9c1e6ebf
- https://git.kernel.org/stable/c/27691665145e74a45034a9dccf1150cf1894763a
- https://git.kernel.org/stable/c/37c38674ef2f8d7e8629e5d433c37d6c1273d16b
- https://git.kernel.org/stable/c/8432b8114957235f42e070a16118a7f750de9d39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13