- Issued:
- 2021-09-09
- Updated:
- 2021-09-09
RHBA-2021:3475 - Bug Fix Advisory
Synopsis
updated RHEL-8 based Middleware Containers container images
Type/Severity
Bug Fix Advisory
Topic
Updated RHEL-8 based Middleware Containers container images are now available
Description
The RHEL-8 based Middleware Containers container images have been updated to address the following security advisory: RHSA-2021:3057 (see References)
Users of RHEL-8 based Middleware Containers container images are advised to upgrade to these updated images, which contain backported patches to correct these security issues, fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.
You can find images updated by this advisory in Red Hat Container Catalog (see References).
Solution
The RHEL-8 based Middleware Containers container images provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container Catalog (see References).
Dockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.
Affected Products
- Red Hat OpenShift Container Platform 4.7 for RHEL 8 x86_64
- Red Hat OpenShift Container Platform 4.6 for RHEL 8 x86_64
Fixes
- BZ - 1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks
- BZ - 1971651 - CVE-2021-3609 kernel: race condition in net/can/bcm.c leads to local privilege escalation
- BZ - 1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.