CVE-2023-52676: linux-libc-dev - Guard stack limits against 32bit overflow
Summary
CVE-2023-52676: In the Linux kernel, the following vulnerability has been resolved: bpf: Guard stack limits against 32bit overflow This patch promotes the arithmetic around checking stack bounds to be done in the 64-bit domain, instead... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The linux-libc-dev package is a development package that provides the necessary header files and libraries for compiling C programs that use the Linux kernel interfaces. It is an essential component for building and linking applications on Debian-based systems. The vulnerability identified as CVE-2023-52676 affects the linux-libc-dev package and poses a potential security risk.
Vulnerability Detail
The vulnerability in linux-libc-dev arises from a flaw in the bpf (Berkeley Packet Filter) implementation in the Linux kernel. This flaw allows an attacker to exploit a 32-bit overflow in stack bounds checking, potentially leading to arbitrary code execution or denial of service attacks. The vulnerability arises due to inconsistent checks on a 64-bit register and a 32-bit offset, which can result in integer overflow. This vulnerability has a CVSS score of 5.5, indicating a medium severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. It is advised to apply the official patch or update the linux-libc-dev package to the latest version as soon as possible.
Conclusion
The linux-libc-dev package is vulnerable to a 32-bit overflow in stack bounds checking. This vulnerability can be mitigated by updating the package to the latest version that includes the necessary patch. It is crucial to promptly address this vulnerability to prevent potential exploitation. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
linux-libc-dev is a development package that provides header files and libraries for compiling C programs that use Linux kernel interfaces.
The vulnerability allows an attacker to exploit a 32-bit overflow in stack bounds checking, potentially leading to arbitrary code execution or denial of service attacks.
The CVSS score of this vulnerability is 5.5, indicating a medium severity level.
To fix this vulnerability, update the linux-libc-dev package to a version that includes the patch addressing the issue.
No specific workaround has been provided. It is recommended to apply the official patch or update the linux-libc-dev package.
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