Locking Issues with Loops over idev->addr_list in ipv6
Summary
GSD-2022-1003638: ipv6: fix locking issues with loops over idev->addr_list. Affects Kernel versions < 5bfb65e92ff36cba3bf52e24a04af80ffb41bcf5. 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
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Linux Kernel is an open-source monolithic Unix-like computer operating system kernel. It provides the essential services for the operating system and allows multiple processes to share the same hardware resources. The IPv6 (Internet Protocol version 6) is the most recent version of the Internet Protocol, designed to replace IPv4. It provides a larger address space and improved security features. The idev->addr_list is a data structure in the Linux Kernel that stores the list of IPv6 addresses associated with a network interface. This vulnerability affects the Linux Kernel and specifically the handling of loops over the idev->addr_list.
Vulnerability Detail
The vulnerability arises from locking issues in loops over idev->addr_list in the IPv6 implementation of the Linux Kernel. The specific details of the locking issues are not provided in the vulnerability report. However, these locking issues can potentially lead to race conditions and other concurrency-related problems. Exploiting this vulnerability could allow an attacker to manipulate the idev->addr_list data structure, potentially leading to denial of service, information disclosure, or privilege escalation attacks. The impact and attack plausibility of this vulnerability have not been proven yet.
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
No workaround is provided in the vulnerability report.
Conclusion
The vulnerability in the Linux Kernel's handling of loops over idev->addr_list in the IPv6 implementation has been identified and fixed in Linux Kernel version v5.10.121. Users are advised to update their Linux Kernel to the latest version to ensure the security of their systems. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The Linux Kernel is an open-source monolithic Unix-like computer operating system kernel that provides essential services for the operating system.
IPv6 is the most recent version of the Internet Protocol, designed to replace IPv4. It provides a larger address space and improved security features.
idev->addr_list is a data structure in the Linux Kernel that stores the list of IPv6 addresses associated with a network interface.
Locking issues refer to problems related to concurrent access and modification of shared resources, which can lead to race conditions and other concurrency-related problems.
This vulnerability can potentially be exploited by manipulating the idev->addr_list data structure, leading to denial of service, information disclosure, or privilege escalation attacks.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
