USN-4001-1: libseccomp vulnerability
30 May 2019
libseccomp could allow unintended access to system calls.
- libseccomp - library for working with the Linux seccomp filter
Jann Horn discovered that libseccomp did not correctly generate 64-bit
syscall argument comparisons with arithmetic operators (LT, GT, LE, GE).
An attacker could use this to bypass intended access restrictions for
argument-filtered system calls.
The problem can be corrected by updating your system to the following package versions:
This update uses a new upstream release which includes additional bug
fixes. In general, a standard system update will make all the necessary
- USN-4001-2: seccomp, libseccomp, libseccomp2, libseccomp-dev