NULL pointer dereference in Linux kernel - CVE-2023-52860
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90458
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-2023-52860
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 hns3_pmu_init_pmu() and hns3_pmu_uninit_pmu() functions in drivers/perf/hisilicon/hns3_pmu.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/4589403a343bb0c72a6faf5898386ff964d4e01a
- https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0
- https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6f
- https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7