Описание
Security update for containerd, docker, runc
This update for containerd, docker, runc fixes the following issues:
Docker was updated to 20.10.6-ce (bsc#1184768, bsc#1182947, bsc#1181594)
- Switch version to use -ce suffix rather than _ce to avoid confusing other tools (bsc#1182476).
- CVE-2021-21284: Fixed a potential privilege escalation when the root user in the remapped namespace has access to the host filesystem (bsc#1181732)
- CVE-2021-21285: Fixed an issue where pulling a malformed Docker image manifest crashes the dockerd daemon (bsc#1181730).
- btrfs quotas being removed by Docker regularly (bsc#1183855, bsc#1175081)
runc was updated to v1.0.0~rc93 (bsc#1182451, bsc#1175821 bsc#1184962).
- Use the upstream runc package (bsc#1181641, bsc#1181677, bsc#1175821).
- Fixed /dev/null is not available (bsc#1168481).
- CVE-2021-30465: Fixed a symlink-exchange attack vulnarability (bsc#1185405).
containerd was updated to v1.4.4
- CVE-2021-21334: Fixed a potential information leak through environment variables (bsc#1183397).
- Handle a requirement from docker (bsc#1181594).
Список пакетов
Container rancher/elemental-teal-iso/5.4:latest
Container rancher/elemental-teal-rt/5.4:latest
Container rancher/elemental-teal/5.4:latest
Container suse/sle-micro/5.5:latest
Image SLES15-Azure-BYOS
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Image SLES15-EC2-HVM-BYOS
Image SLES15-GCE-BYOS
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Image SLES15-SAP-Azure-BYOS
Image SLES15-SAP-EC2-HVM
Image SLES15-SAP-EC2-HVM-BYOS
Image SLES15-SAP-GCE
Image SLES15-SAP-GCE-BYOS
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Image SLES15-SP1-EC2-HPC-HVM-BYOS
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Image SLES15-SP6-SAPCAL
Image SLES15-SP6-SAPCAL-Azure
Image SLES15-SP6-SAPCAL-EC2
Image SLES15-SP6-SAPCAL-GCE
SUSE Enterprise Storage 6
SUSE Enterprise Storage 7
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise Micro 5.0
SUSE Linux Enterprise Module for Containers 15 SP2
SUSE Linux Enterprise Module for Containers 15 SP3
SUSE Linux Enterprise Server 15 SP1-BCL
SUSE Linux Enterprise Server 15 SP1-LTSS
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Manager Proxy 4.0
SUSE Manager Retail Branch Server 4.0
SUSE Manager Server 4.0
Ссылки
- Link for SUSE-SU-2021:1954-1
- E-Mail link for SUSE-SU-2021:1954-1
- SUSE Security Ratings
- SUSE Bug 1168481
- SUSE Bug 1175081
- SUSE Bug 1175821
- SUSE Bug 1181594
- SUSE Bug 1181641
- SUSE Bug 1181677
- SUSE Bug 1181730
- SUSE Bug 1181732
- SUSE Bug 1181749
- SUSE Bug 1182451
- SUSE Bug 1182476
- SUSE Bug 1182947
- SUSE Bug 1183024
- SUSE Bug 1183855
- SUSE Bug 1184768
- SUSE Bug 1184962
- SUSE Bug 1185405
Описание
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root. When using "--userns-remap", if the root user in the remapped namespace has access to the host filesystem they can modify files under "/var/lib/docker/<remapping>" that cause writing files with extended privileges. Versions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.
Затронутые продукты
Ссылки
- CVE-2021-21284
- SUSE Bug 1181732
Описание
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.
Затронутые продукты
Ссылки
- CVE-2021-21285
- SUSE Bug 1181730
Описание
In containerd (an industry-standard container runtime) before versions 1.3.10 and 1.4.4, containers launched through containerd's CRI implementation (through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service) that share the same image may receive incorrect environment variables, including values that are defined for other containers. If the affected containers have different security contexts, this may allow sensitive information to be unintentionally shared. If you are not using containerd's CRI implementation (through one of the mechanisms described above), you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image which have different environment variables, you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image in rapid succession, you have reduced likelihood of being vulnerable to this issue This vulnerability has been fixed in containerd 1.3.10 and containerd 1.4.4. Users should update to these versions.
Затронутые продукты
Ссылки
- CVE-2021-21334
- SUSE Bug 1183397
Описание
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
Затронутые продукты
Ссылки
- CVE-2021-30465
- SUSE Bug 1185405
- SUSE Bug 1189161