CVE-2021-43413: Critical severity gnu hurd vulnerability
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-43413?
CVE-2021-43413 is considered a critical vulnerability due to the potential for unauthorized root access.
How do I fix CVE-2021-43413?
To fix CVE-2021-43413, upgrade to GNU Hurd version 0.9 20210404-9 or later.
What are the risks associated with CVE-2021-43413?
The risks associated with CVE-2021-43413 include the ability for any user to modify files they can read, potentially compromising the entire system.
Who is affected by CVE-2021-43413?
CVE-2021-43413 affects all users of GNU Hurd versions prior to 0.9 20210404-9.
What does CVE-2021-43413 exploit?
CVE-2021-43413 exploits a shared pager port among users who mmap files, allowing for unauthorized file modifications.