Infinite loop in Linux kernel - CVE-2023-52986
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106216
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52986
CWE-ID: CWE-835
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 perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the EXPORT_SYMBOL_GPL() function in net/ipv4/tcp_bpf.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-52986
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/12b0ec7c6953e1602957926439e5297095d7d065
- https://git.kernel.org/stable/c/9bd6074e1872d22190a8da30e796cbf937d334f0
- https://git.kernel.org/stable/c/c681d7a4ed3d360de0574f4d6b7305a8de8dc54f
- https://git.kernel.org/stable/c/ddce1e091757d0259107c6c0c7262df201de2b66
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2