Sicherheit: Denial of Service in conmon

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SUSE Security Update: Security update for conmon
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Announcement ID: SUSE-SU-2022:3896-1
Rating: moderate
References: #1200285
Cross-References: CVE-2022-1708
CVSS scores:
CVE-2022-1708 (NVD) : 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2022-1708 (SUSE): 6.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H

Affected Products:
SUSE CaaS Platform 4.0
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-SP2-ESPOS
SUSE Linux Enterprise High Performance Computing
15-SP2-LTSS
SUSE Linux Enterprise Server 15-SP1-BCL
SUSE Linux Enterprise Server 15-SP1-LTSS
SUSE Linux Enterprise Server 15-SP2-BCL
SUSE Linux Enterprise Server 15-SP2-LTSS
SUSE Linux Enterprise Server for SAP 15-SP1
SUSE Linux Enterprise Server for SAP 15-SP2
SUSE Manager Proxy 4.1
SUSE Manager Retail Branch Server 4.1
SUSE Manager Server 4.1
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for conmon fixes the following issues:

conmon was updated to 2.1.3:

* Stop using g_unix_signal_add() to avoid threads
* Rename CLI optionlog-size-global-max to log-global-size-max

Update to version 2.1.2:

* add log-global-size-max option to limit the total output conmon
processes (CVE-2022-1708 bsc#1200285)
* journald: print tag and name if both are specified
* drop some logs to debug level

Update to version 2.1.0

* logging: buffer partial messages to journald
* exit: close all fds >= 3
* fix: cgroup: Free memory_cgroup_file_path if open fails. Call g_free
instead of free.

Update to version 2.0.32

* Fix: Avoid mainfd_std{in,out} sharing the same file descriptor.
* exit_command: Fix: unset subreaper attribute before running exit command

Update to version 2.0.31

* logging: new mode -l passthrough
* ctr_logs: use container name or ID as SYSLOG_IDENTIFIER for journald
* conmon: Fix: free userdata files before exec cleanup

Update to version 2.0.30:

* Remove unreachable code path
* exit: report if the exit command was killed
* exit: fix race zombie reaper
* conn_sock: allow watchdog messages through the notify socket proxy
* seccomp: add support for seccomp notify

Update to version 2.0.29:

* Reset OOM score back to 0 for container runtime
* call functions registered with atexit on SIGTERM
* conn_sock: fix potential segfault

Update to version 2.0.27:

* Add CRI-O integration test GitHub action
* exec: don't fail on EBADFD
* close_fds: fix close of external fds
* Add arm64 static build binary

Update to version 2.0.26:

* conn_sock: do not fail on EAGAIN
* fix segfault from a double freed pointer
* Fix a bug where conmon could never spawn a container, because a
disagreement between the caller and itself on where the attach socket
was.
* improve --full-attach to ignore the socket-dir directly. that means
callers don't need to specify a socket dir at all (and can remove it)
* add full-attach option to allow callers to not truncate a very long path
for the attach socket
* close only opened FDs
* set locale to inherit environment

Update to version 2.0.22:

* added man page
* attach: always chdir
* conn_sock: Explicitly free a heap-allocated string
* refactor I/O and add SD_NOTIFY proxy support

Update to version 2.0.21:

* protect against kill(-1)
* Makefile: enable debuginfo generation
* Remove go.sum file and add go.mod
* Fail if conmon config could not be written
* nix: remove double definition for e2fsprogs
* Speedup static build by utilizing CI cache on `/nix` folder
* Fix nix build for failing e2fsprogs tests
* test: fix CI
* Use Podman for building

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Manager Server 4.1:

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-3896=1

- SUSE Manager Retail Branch Server 4.1:

zypper in -t patch
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-3896=1

- SUSE Manager Proxy 4.1:

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-3896=1

- SUSE Linux Enterprise Server for SAP 15-SP2:

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-3896=1

- SUSE Linux Enterprise Server for SAP 15-SP1:

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-3896=1

- SUSE Linux Enterprise Server 15-SP2-LTSS:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-3896=1

- SUSE Linux Enterprise Server 15-SP2-BCL:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-3896=1

- SUSE Linux Enterprise Server 15-SP1-LTSS:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-3896=1

- SUSE Linux Enterprise Server 15-SP1-BCL:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-3896=1

- SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-3896=1

- SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-3896=1

- SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-3896=1

- SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-3896=1

- SUSE Enterprise Storage 7:

zypper in -t patch SUSE-Storage-7-2022-3896=1

- SUSE Enterprise Storage 6:

zypper in -t patch SUSE-Storage-6-2022-3896=1

- SUSE CaaS Platform 4.0:

To install this update, use the SUSE CaaS Platform 'skuba' tool.
It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.

Package List:

- SUSE Manager Server 4.1 (ppc64le s390x x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Manager Retail Branch Server 4.1 (x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Manager Proxy 4.1 (x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server for SAP 15-SP2 (ppc64le x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server 15-SP2-LTSS (aarch64 ppc64le s390x x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server 15-SP2-BCL (x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS (aarch64
x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS (aarch64
x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Enterprise Storage 7 (aarch64 x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE Enterprise Storage 6 (aarch64 x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

- SUSE CaaS Platform 4.0 (x86_64):

conmon-2.1.3-150100.3.9.1
conmon-debuginfo-2.1.3-150100.3.9.1

References:

https://www.suse.com/security/cve/CVE-2022-1708.html
https://bugzilla.suse.com/1200285