Synopsis

Important: container-tools:rhel8 security, bug fix, and enhancement update

Type/Severity

Security Advisory: Important

Topic

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.

Description

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

Security Fix(es):

• QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)

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 8.1 Release Notes linked from the References section.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 1731747 - Backport Podman's --env-host support to 8.1
• BZ - 1732280 - Podman search shows limited numbers of images
• BZ - 1732811 - podman does not create console if -t is present in noninteractive shell
• BZ - 1752599 - Deadlock when pulling an image is interrupted
• BZ - 1779787 - avc: podman run --security-opt label=type:svirt_qemu_net_t [rhel-8.1.1.z]
• BZ - 1779789 - backport json-file logging support to 1.4.2 [rhel-8.1.1.z]
• BZ - 1783277 - Podman is not compiled with FIPS mode - container-tools-rhel8-8.1.1
• BZ - 1783278 - Skopeo is not compiled with FIPS mode - container-tools-rhel8-8.1.1
• BZ - 1783279 - Buildah is not compiled with FIPS mode - container-tools-rhel8-8.1.1
• BZ - 1783280 - runc is not compiled with FIPS mode - container-tools-rhel8-8.1.1
• BZ - 1783281 - containernetworking-plugins is not compiled with FIPS mode - container-tools-rhel8-8.1.1
• BZ - 1787523 - Concurrent 'podman pull/run' sometimes fails with "Error processing tar file(io: read/write on closed pipe)" [rhel-8.1.1]
• BZ - 1787524 - You have to remove that container to be able to reuse that name.: that name is already in use (due to exec user process caused "no such file or directory")[rhel-8.1.1]
• BZ - 1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()

CVEs

• CVE-2019-15890
• CVE-2020-7039

References