Race condition in Linux kernel - CVE-2024-49864
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99127
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-49864
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2024-49864
Install update from vendor's website.
Sources
- 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