7.8 - RHSA-2019:4269

Problem Description:

An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.

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 vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* HTTP/2: flood using PING frames results in unbounded memory growth (CVE-2019-9512)

* HTTP/2: flood using HEADERS frames results in unbounded memory growth (CVE-2019-9514)

* runc: AppArmor/SELinux bypass with malicious image that specifies a volume at /proc (CVE-2019-16884)

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.

Bug Fix(es):

* avc: podman run --security-opt label=type:svirt_qemu_net_t (BZ#1764318)

* backport json-file logging support to 1.4.2 (BZ#1770176)

* Selinux won't allow SCTP inter pod communication (BZ#1774382)

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1735645 - CVE-2019-9512 HTTP/2: flood using PING frames results in unbounded memory growth 1735744 - CVE-2019-9514 HTTP/2: flood using HEADERS frames results in unbounded memory growth 1757214 - CVE-2019-16884 runc: AppArmor/SELinux bypass with malicious image that specifies a volume at /proc 1764318 - avc: podman run --security-opt label=type:svirt_qemu_net_t [rhel-8.1.0.z] 1770176 - backport json-file logging support to 1.4.2 [rhel-8.1.0.z] 1774382 - Selinux won't allow SCTP inter pod communication [rhel-8.1.0.z]