- Vulnerability/
- USN-4001-1
30/5/2019
USN-4001-1: libseccomp vulnerability
First published: Thu May 30 2019(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libseccomp2 | <2.4.1-0ubuntu0.19.04.3 | 2.4.1-0ubuntu0.19.04.3 |
| Ubuntu Ubuntu | =19.04 | |
| All of | ||
| ubuntu/libseccomp2 | <2.4.1-0ubuntu0.18.10.3 | 2.4.1-0ubuntu0.18.10.3 |
| Ubuntu Ubuntu | =18.10 | |
| All of | ||
| ubuntu/libseccomp2 | <2.4.1-0ubuntu0.18.04.2 | 2.4.1-0ubuntu0.18.04.2 |
| Ubuntu Ubuntu | =18.04 | |
| All of | ||
| ubuntu/libseccomp2 | <2.4.1-0ubuntu0.16.04.2 | 2.4.1-0ubuntu0.16.04.2 |
| Ubuntu Ubuntu | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-9893
- https://ubuntu.com/security/notices/USN-4001-2
- https://launchpad.net/ubuntu/+source/libseccomp/2.4.1-0ubuntu0.19.04.3
- https://launchpad.net/ubuntu/+source/libseccomp/2.4.1-0ubuntu0.18.10.3
- https://launchpad.net/ubuntu/+source/libseccomp/2.4.1-0ubuntu0.18.04.2
- https://launchpad.net/ubuntu/+source/libseccomp/2.4.1-0ubuntu0.16.04.2
- https://ubuntu.com/security/notices/USN-4001-1 (Advisory)
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- anchor-related/USN-4001-2
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- version/ubuntu ubuntu/19.04
- version/ubuntu ubuntu/18.10
- version/ubuntu ubuntu/18.04
- version/ubuntu ubuntu/16.04