Out-of-bounds read in Linux kernel - CVE-2023-52596
Published: June 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91101
CSH Severity: Low
CVSSv4.0: 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-2023-52596
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the register_sysctl_mount_point(), insert_header() and get_links() functions in fs/proc/proc_sysctl.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/15893975e9e382f8294ea8d926f08dc2d8d39ede
- https://git.kernel.org/stable/c/2ae7081bc10123b187e36a4f3a8e53768de31489
- https://git.kernel.org/stable/c/315552310c7de92baea4e570967066569937a843
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8