SB20241022239 - Race condition in Linux kernel rxrpc
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022239
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2024-49864)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the rxrpc_open_socket() function in net/rxrpc/local_object.c, within the rxrpc_encap_rcv() and rxrpc_io_thread() functions in net/rxrpc/io_thread.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/cdf4bbbdb956d7426f687f38757ebca2a2759a0f
- https://git.kernel.org/stable/c/56e415202b8a17de6496f4023e545fcb66f118ec
- https://git.kernel.org/stable/c/c64f5fc95e9612fdf75587c8e21e494e614c18e2
- https://git.kernel.org/stable/c/bc212465326e8587325f520a052346f0b57360e6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55