NULL pointer dereference in Linux kernel - CVE-2023-52785
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90415
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-2023-52785
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 ufshcd_mcq_abort() function in drivers/ufs/core/ufs-mcq.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/8f15a7e3c054d960bbd1521110700450bbf798a1
- https://git.kernel.org/stable/c/f84d461f33a6b27304d468d9cfb56c0cefdb4ee7
- https://git.kernel.org/stable/c/27900d7119c464b43cd9eac69c85884d17bae240
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7