CVE-2017-18367

libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.

• CWE-20

• http://www.openwall.com/lists/oss-security/2019/04/25/6Mailing List, Patch, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:4087
• https://access.redhat.com/errata/RHSA-2019:4090
• https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9ePatch, Third Party Advisory
• https://github.com/seccomp/libseccomp-golang/issues/22Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
• https://usn.ubuntu.com/4574-1/
• http://www.openwall.com/lists/oss-security/2019/04/25/6Mailing List, Patch, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:4087
• https://access.redhat.com/errata/RHSA-2019:4090
• https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9ePatch, Third Party Advisory
• https://github.com/seccomp/libseccomp-golang/issues/22Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
• https://usn.ubuntu.com/4574-1/

Published

Apr 24, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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