[USN-4001-2] libseccomp vulnerability
jamie at canonical.com
Thu May 30 23:09:49 UTC 2019
Ubuntu Security Notice USN-4001-2
May 30, 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
libseccomp could allow unintended access to system calls.
- libseccomp: library for working with the Linux seccomp filter
USN-4001-1 fixed a vulnerability in libseccomp. This update provides the
corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
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
Ubuntu 14.04 ESM:
This update uses a new upstream release which includes additional bug
fixes. In general, a standard system update will make all the necessary
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