Out-of-bounds read in Linux kernel - CVE-2023-52602
Published: May 8, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU89254
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52602
CWE-ID: CWE-125
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 gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the dtSearch() function in fs/jfs/jfs_dtree.c. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2023-52602
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/ce8bc22e948634a5c0a3fa58a179177d0e3f3950
- https://git.kernel.org/stable/c/1b9d6828589d57f94a23fb1c46112cda39d7efdb
- https://git.kernel.org/stable/c/1c40ca3d39d769931b28295b3145c25f1decf5a6
- https://git.kernel.org/stable/c/6c6a96c3d74df185ee344977d46944d6f33bb4dd
- https://git.kernel.org/stable/c/cab0c265ba182fd266c2aa3c69d7e40640a7f612
- https://git.kernel.org/stable/c/7110650b85dd2f1cee819acd1345a9013a1a62f7
- https://git.kernel.org/stable/c/bff9d4078a232c01e42e9377d005fb2f4d31a472
- https://git.kernel.org/stable/c/fa5492ee89463a7590a1449358002ff7ef63529f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.307
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.77
- 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