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High ALSA-2019:4269 4 CVEs

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

Published Dec 17, 2019 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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)

Fixed packages 6

ReleasePackageFixed in
AlmaLinux · 8 oci-systemd-hook 1:0.1.15-2.git2d0b8a3.module_el8.5.0+119+9a9ec082
AlmaLinux · 8 oci-systemd-hook 1:0.1.15-2.git2d0b8a3.module_el8.4.0+2496+12421f43
AlmaLinux · 8 oci-systemd-hook 1:0.1.15-2.git2d0b8a3.module_el8.3.0+2044+12421f43
AlmaLinux · 8 oci-umount 2:2.3.4-2.git87f9237.module_el8.5.0+119+9a9ec082
AlmaLinux · 8 oci-umount 2:2.3.4-2.git87f9237.module_el8.4.0+2496+12421f43
AlmaLinux · 8 oci-umount 2:2.3.4-2.git87f9237.module_el8.3.0+2044+12421f43

Vulnerabilities 4

  • High 7.5
    CVE-2019-16884

    Incorrect Authorization in runc

    runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.

    containerd runc github.com/opencontainers/runc runc Debian Ubuntu Alpine Go
  • High 7.5
    CVE-2019-9512 EPSS 83%

    Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is qu…

    go stdlib golang-1.8 golang-1.10 Debian Ubuntu Azure Linux Alpine Go
  • High 7.5
    CVE-2019-9514 EPSS 83%

    Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depe…

    nodejs go golang-1.8 golang-1.10 Debian Ubuntu Azure Linux Alpine
  • Medium 5.5
    CVE-2019-18466

    Podman Symlink Vulnerability

    An issue was discovered in Podman in libpod before 1.6.0. It resolves a symlink in the host context during a copy operation from the container to the host, because an undesired glob operation occurs. An attacker could create a container image containing parti…

    github.com/containers/podman/v4 github.com/containers/podman/v3 github.com/containers/podman/v2 github.com/containers/podman Go

References

  • report
    https://bugzilla.redhat.com/1735645
  • report
    https://bugzilla.redhat.com/1735744
  • report
    https://bugzilla.redhat.com/1744588
  • report
    https://bugzilla.redhat.com/1757214
  • report
    https://bugzilla.redhat.com/1764318
  • report
    https://bugzilla.redhat.com/1770176
  • report
    https://bugzilla.redhat.com/1774382
  • advisory
    https://errata.almalinux.org/8/ALSA-2019-4269.html
  • report
    https://vulners.com/cve/CVE-2019-16884
  • report
    https://vulners.com/cve/CVE-2019-18466
  • report
    https://vulners.com/cve/CVE-2019-9512
  • report
    https://vulners.com/cve/CVE-2019-9514