Packages
- libseccomp - library for working with the Linux seccomp filter
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.
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.
Update instructions
This update uses a new upstream release which includes additional bug fixes. In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
Ubuntu Release | Package Version | ||
---|---|---|---|
19.04 disco | libseccomp2 – 2.4.1-0ubuntu0.19.04.3 | ||
18.10 cosmic | libseccomp2 – 2.4.1-0ubuntu0.18.10.3 | ||
18.04 bionic | libseccomp2 – 2.4.1-0ubuntu0.18.04.2 | ||
16.04 xenial | libseccomp2 – 2.4.1-0ubuntu0.16.04.2 |
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