NULL pointer dereference in Linux kernel - CVE-2023-52573
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90842
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-2023-52573
CWE-ID: CWE-476
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 NULL pointer dereference within the rds_rdma_cm_event_handler_cmn() function in net/rds/rdma_transport.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/812da2a08dc5cc75fb71e29083ea20904510ac7a
- https://git.kernel.org/stable/c/f515112e833791001aaa8ab886af3ca78503617f
- https://git.kernel.org/stable/c/ea82139e6e3561100d38d14401d57c0ea93fc07e
- https://git.kernel.org/stable/c/51fa66024a5eabf270164f2dc82a48ffb35a12e9
- https://git.kernel.org/stable/c/069ac51c37a6f07a51f7134d8c34289075786a35
- https://git.kernel.org/stable/c/f1d95df0f31048f1c59092648997686e3f7d9478
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.258
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6