CVE-2024-35995: linux-libc-dev - ACPI: CPPC: Use access_width over bit_width for system memory accesses
Summary
CVE-2024-35995: In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use access_width over bit_width for system memory accesses To align with ACPI 6.3+, since bit_width can be any 8-bit value, it cannot be dep... 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 programs that use the Linux kernel's C library interface. It is an essential component for building software on Debian-based systems. The vulnerability affects version 6.1.90-1 of the linux-libc-dev package.
Vulnerability Detail
The vulnerability (CVE-2024-35995) in the linux-libc-dev package is related to the ACPI (Advanced Configuration and Power Interface) CPPC (Collaborative Processor Performance Control) feature. The issue arises from using bit_width instead of access_width for system memory accesses. This can lead to unexpected behavior and system crashes. The vulnerability was discovered on the Cobalt 100 platform. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) attack or execute arbitrary code.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The linux-libc-dev package is vulnerable to a medium-severity vulnerability (CVE-2024-35995) related to the ACPI CPPC feature. It is important to update the package to the latest version provided by the Debian Security Tracker to mitigate the risk of system crashes and potential code execution. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The vulnerability can lead to system crashes, denial-of-service attacks, and potential execution of arbitrary code.
You can use the Vulert playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and it will provide real-time alerts for open-source vulnerabilities.
Yes, the CVSS score for this vulnerability is 5.5, indicating a medium severity level.
There are no known exploits for this vulnerability at the moment. However, it is important to apply the necessary patches and updates to mitigate the risk.
You can find more information about this vulnerability on the NIST National Vulnerability Database (NVD) website: https://nvd.nist.gov/vuln/detail/CVE-2024-35995
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