Fix for powerpc/64s program check interrupt emergency stack path vulnerability in Kernel
Summary
GSD-2021-1001682: powerpc/64s: fix program check interrupt emergency stack path. Affects Kernel versions >= 0a882e28468f48ab3d9a36dde0a5723ea29ed1ed, < c835b3d1d6362b4a4ebb192da7e7fd27a0a45d01. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential services for processes, memory management, and device drivers. The powerpc/64s architecture is a variant of the PowerPC architecture used in 64-bit PowerPC processors. It is vulnerable to a program check interrupt emergency stack path issue.
Vulnerability Detail
The powerpc/64s program check interrupt emergency stack path vulnerability is a security flaw that can be exploited to cause a program check interrupt to use an incorrect emergency stack. This vulnerability was introduced in version v5.3 of the Linux Kernel and was fixed in version v5.14.12. An attacker could potentially leverage this vulnerability to execute arbitrary code or cause a denial of service (DoS) attack. The vulnerability arises from a flaw in the handling of program check interrupts, which can lead to the use of an incorrect emergency stack.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no specific workaround available for this vulnerability. It is advised to apply the fix mentioned in the 'how_to_fix' section.
Conclusion
The powerpc/64s program check interrupt emergency stack path vulnerability in the Kernel can potentially allow an attacker to execute arbitrary code or cause a denial of service (DoS) attack. It is crucial to update the Linux Kernel to version v5.14.12 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
This vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial of service (DoS) attack.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over a network.
If you are unable to update the Kernel immediately, it is recommended to implement other security measures such as network segmentation, access controls, and intrusion detection systems to reduce the risk of exploitation.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
