RHSA-2026:97328: Important: oci-seccomp-bpf-hook security, bug fix, and enhancement update
OCI Hook to generate seccomp json files based on EBF syscalls used by container oci-seccomp-bpf-hook provides a library for applications looking to use the Container Pod concept popularized by Kubernetes.Security Fix(es): net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) Bug Fix(es) and Enhancement(s): oci-seccomp-bpf-hook - update to the latest upstream release (JIRA:RHEL-212011) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Additional Changes:For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 Release Notes linked from the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/oci-seccomp-bpf-hookto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10 - Upgrade
Upgrade
redhat/oci-seccomp-bpf-hook-debuginfoto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10 - Upgrade
Upgrade
redhat/oci-seccomp-bpf-hook-debugsourceto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10 - Upgrade
Upgrade
redhat/oci-seccomp-bpf-hookto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10.aa - Upgrade
Upgrade
redhat/oci-seccomp-bpf-hook-debuginfoto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10.aa - Upgrade
Upgrade
redhat/oci-seccomp-bpf-hook-debugsourceto a version that resolves this vulnerability.Fixed in 1.3.0-2.el10.aa
Event History
Frequently Asked Questions
What is the security issue addressed by this update?
The update addresses CVE-2026-33811, a denial-of-service issue in Go's net package. It can be triggered through a long CNAME response processed by LookupCNAME.
Which packages are included in this advisory?
The advisory covers redhat/oci-seccomp-bpf-hook, redhat/oci-seccomp-bpf-hook-debuginfo, and redhat/oci-seccomp-bpf-hook-debugsource.
Does this advisory include changes beyond the security fix?
Yes. It updates oci-seccomp-bpf-hook to the latest upstream release and includes unspecified bug fixes and enhancements.