Описание
Security update for runc
This update for runc fixes the following issues:
Update to runc v1.1.5:
Security fixes:
- CVE-2023-25809: Fixed rootless
/sys/fs/cgroup
is writable when cgroupns isn't unshared (bnc#1209884). - CVE-2023-27561: Fixed regression that reintroduced CVE-2019-19921 vulnerability (bnc#1208962).
- CVE-2023-28642: Fixed AppArmor/SELinux bypass with symlinked /proc (bnc#1209888).
Other fixes:
- Fix the inability to use
/dev/null
when inside a container. - Fix changing the ownership of host's
/dev/null
caused by fd redirection (bsc#1168481). - Fix rare runc exec/enter unshare error on older kernels.
- nsexec: Check for errors in
write_log()
. - Drop version-specific Go requirement.
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
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SUSE Enterprise Storage 7
SUSE Enterprise Storage 7.1
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS
SUSE Linux Enterprise Micro 5.1
SUSE Linux Enterprise Micro 5.2
SUSE Linux Enterprise Micro 5.3
SUSE Linux Enterprise Micro 5.4
SUSE Linux Enterprise Module for Containers 15 SP4
SUSE Linux Enterprise Server 15 SP1-LTSS
SUSE Linux Enterprise Server 15 SP2-LTSS
SUSE Linux Enterprise Server 15 SP3-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Linux Enterprise Server for SAP Applications 15 SP2
SUSE Linux Enterprise Server for SAP Applications 15 SP3
openSUSE Leap 15.4
openSUSE Leap Micro 5.3
Ссылки
- Link for SUSE-SU-2023:2003-1
- E-Mail link for SUSE-SU-2023:2003-1
- SUSE Security Ratings
- SUSE Bug 1168481
- SUSE Bug 1208962
- SUSE Bug 1209884
- SUSE Bug 1209888
- SUSE CVE CVE-2023-25809 page
- SUSE CVE CVE-2023-27561 page
- SUSE CVE CVE-2023-28642 page
Описание
runc is a CLI tool for spawning and running containers according to the OCI specification. In affected versions it was found that rootless runc makes `/sys/fs/cgroup` writable in following conditons: 1. when runc is executed inside the user namespace, and the `config.json` does not specify the cgroup namespace to be unshared (e.g.., `(docker|podman|nerdctl) run --cgroupns=host`, with Rootless Docker/Podman/nerdctl) or 2. when runc is executed outside the user namespace, and `/sys` is mounted with `rbind, ro` (e.g., `runc spec --rootless`; this condition is very rare). A container may gain the write access to user-owned cgroup hierarchy `/sys/fs/cgroup/user.slice/...` on the host . Other users's cgroup hierarchies are not affected. Users are advised to upgrade to version 1.1.5. Users unable to upgrade may unshare the cgroup namespace (`(docker|podman|nerdctl) run --cgroupns=private)`. This is the default behavior of Docker/Podman/nerdctl on cgroup v2 hosts. or add `/sys/fs/cgroup` to `maskedPaths`.
Затронутые продукты
Ссылки
- CVE-2023-25809
- SUSE Bug 1209884
Описание
runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.
Затронутые продукты
Ссылки
- CVE-2023-27561
- SUSE Bug 1208962
Описание
runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked `/proc`. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.
Затронутые продукты
Ссылки
- CVE-2023-28642
- SUSE Bug 1209888