Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/seccomp/libseccomp-golang/issues/22 ↗
- https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e ↗
- http://www.openwall.com/lists/oss-security/2019/04/25/6 ↗
- https://access.redhat.com/errata/RHSA-2019:4087 ↗
- https://access.redhat.com/errata/RHSA-2019:4090 ↗
- https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html ↗
- https://usn.ubuntu.com/4574-1/ ↗