CVE-2023-39191
CVSS 3.1 Score 8.2 of 10 (high)
Details
Summary
CVE-2023-39191 is a critical vulnerability affecting the eBPF subsystem in the Linux kernel. This issue arises due to a lack of proper input validation for dynamic pointers within user-supplied eBPF programs. As a result, an attacker with CAP_BPF privileges can exploit this flaw and escalate privileges, potentially executing arbitrary code in the context of the kernel. The vulnerability poses a serious risk, as it enables attackers to bypass critical security boundaries and gain unauthorized access to sensitive information. System administrators are strongly advised to apply the available patches to mitigate this vulnerability and protect their systems.
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Affected Products
- Linux Kernel
- Red Hat Enterprise Linux
- Fedora Operating System
Affected Vendors
- LINUX
- Red Hat
- Fedora Project
Advisories, Assessments, and Mitigations
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