CVE-2026-15226: Execution with Unnecessary Privileges

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2026-47128 nono: Sandbox escape on Linux via D-Bus: `systemd-run --user`

nono is software that allows users to run AI agents in a zero-latency sandbox. Prior to version 0.55.0, the nono Landlock/seccomp policies allow access to local Unix domain sockets concrete and abstract. This allows an easy sandbox escape by talking to the per-user systemd dbus socket. Version...

RLSA-2026:36617 Important: oci-seccomp-bpf-hook security 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 Fixes: net: golang: Go net package: Denial of Service via long CNAME response in...

oci-seccomp-bpf-hook security update

An update is available for oci-seccomp-bpf-hook. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OCI Hook to generate seccomp json files based on EBF syscalls us...

RockyLinux 9 : oci-seccomp-bpf-hook (RLSA-2026:36617)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:36617 advisory. net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME CVE-2026-33811 Tenable has extracted the preceding description block direct...

Oracle Linux 9 : oci-seccomp-bpf-hook (ELSA-2026-36617)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-36617 advisory. 1.2.11-2 - rebuild for CVE-2026-33811 Resolves: RHEL-187325 Tenable has extracted the preceding description block directly from the Oracle Linux security...

AlmaLinux 9 : oci-seccomp-bpf-hook (ALSA-2026:36617)

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:36617 advisory. net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME CVE-2026-33811 Tenable has extracted the preceding description block directl...

RHSA-2026:36617 Red Hat Security Advisory: oci-seccomp-bpf-hook security update

Bulletin has no description...

Important: Red Hat Security Advisory: oci-seccomp-bpf-hook security update

An update for oci-seccomp-bpf-hook is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

oci-seccomp-bpf-hook security update

1.2.11-2 - rebuild for CVE-2026-33811 Resolves: RHEL-187325...

ALSA-2026:36617 Important: oci-seccomp-bpf-hook security 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 Fixes: net: golang: Go net package: Denial of Service via long CNAME response in...

RHEL 9 : oci-seccomp-bpf-hook (RHSA-2026:36617)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:36617 advisory. 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...

Important: oci-seccomp-bpf-hook security 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 Fixes: net: golang: Go net package: Denial of Service via long CNAME response in...

container-tools:ol8 security, bug fix, and enhancement update

aardvark-dns 2:1.10.1-2 - build off the RHEL maintenance branch - Resolves: RHEL-59129 buildah 2:1.33.14-3 - rebuild for CVE-2025-68121 - Resolves: RHEL-149262 cockpit-podman 84.1-1 - update to https://github.com/cockpit-project/cockpit-podman/releases/tag/84.1 - Related: Jira:RHEL-25557 conmon...

pagecache-lpe-containment-kit

Page-Cache LPE Containment Kit Detect, contain, and verify...

GHSA-M8J6-RC5X-WV36 nono-py's policy JSON accepts unknown security fields

Summary nono-py policy handling could fail open in two ways. First, resolving a policy-derived ProxyConfig did not automatically enforce CapabilitySet.proxyonly, allowing sandboxed children to bypass a resolved domain allowlist by using direct network access. Second, policy JSON accepted unknown...

GO-2026-5664 netfoil's optional seccomp sandboxing was not applied in github.com/tinfoil-factory/netfoil

netfoil's optional seccomp sandboxing was not applied in github.com/tinfoil-factory/netfoil...

nono: Sandbox escape on Linux via D-Bus: `systemd-run --user`

Summary The nono Landlock/seccomp policies allow access to local Unix domain sockets concrete and abstract. This allows an easy sandbox escape by talking to the per-user systemd dbus socket. Threat scenario: Running Aider, Claude Code, OpenCode or similar tools with "allow bash" policy so that it...

PT-2026-44549

Name of the Vulnerable Software and Affected Versions nono versions prior to 0.55.0 Description Landlock and seccomp policies in the software allow access to local Unix domain sockets, including both concrete and abstract types. This flaw enables a sandbox escape by allowing a process to...

GHSA-2GV2-CFFP-J227 Kata guest escape: runtime-rs guest-root to host-root escape via virtiofs

Summary In the runtime-rs standalone virtio-fs path, verified here with QEMU and verified with Cloud Hypervisor too, Kata Containers runs host virtiofsd as root with: --sandbox none --seccomp none If an attacker has root-equivalent execution inside the Kata guest VM, they can send raw FUSE reques...