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Exploits
ID:7987 - Exploit for Security restrictions bypass in Linux kernel - CVE-2022-23222
ID:7987 - Exploit for Security restrictions bypass in Linux kernel - CVE-2022-23222
Published: June 8, 2022
Vulnerability identifier: #VU59896
Vulnerability risk: Low
CVE-ID: CVE-2022-23222
CWE-ID: CWE-264
Exploitation vector: Local access
Vulnerable software:
Linux kernel
Linux kernel
Link to public exploit:
Vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to availability of pointer arithmetic via certain *_OR_NULL pointer types in kernel/bpf/verifier.c in the Linux kernel. A local user can run a specially crafted program to execute arbitrary code with root privileges.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
As a temporary solution set kernel.unprivileged_bpf_disabled to 1.