MGASA-2020-0136 - Updated libseccomp packages fix security vulnerability

Publication date: 10 Mar 2020
URL: https://advisories.mageia.org/MGASA-2020-0136.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2019-9893

Updated libseccomp packages fix security vulnerability:

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 (CVE-2019-9893).

References:
- https://bugs.mageia.org/show_bug.cgi?id=24523
- https://ubuntu.com/security/notices/USN-4001-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9893

SRPMS:
- 7/core/libseccomp-2.4.2-1.mga7

Mageia 2020-0136: libseccomp security update

Updated libseccomp packages fix security vulnerability: Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operato...

Summary

Updated libseccomp packages fix security vulnerability:
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 (CVE-2019-9893).

References

- https://bugs.mageia.org/show_bug.cgi?id=24523

- https://ubuntu.com/security/notices/USN-4001-1

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9893

Resolution

MGASA-2020-0136 - Updated libseccomp packages fix security vulnerability

SRPMS

- 7/core/libseccomp-2.4.2-1.mga7

Severity
Publication date: 10 Mar 2020
URL: https://advisories.mageia.org/MGASA-2020-0136.html
Type: security
CVE: CVE-2019-9893

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