Race condition in Linux kernel - CVE-2023-52502
Published: April 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU88106
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-2023-52502
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 nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() functions in net/nfc/llcp_core.c. A local user can exploit the race and execute arbitrary code with elevated privileges.
How to mitigate CVE-2023-52502
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0a
- https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d
- https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9
- https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8
- https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc
- https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c
- https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.297
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.136
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.259
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6