openSUSE Security Update : the Linux Kernel (openSUSE-2020-1382)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-14314: Fixed potential negative array index in dosplit in ext4 bsc1173798. - CVE-2020-14386: Fixed an overflow in afpacket, which could lead to local privilege...

USN-4484-1 linux-hwe, linux-aws-5.3, linux-gke-5.3, linux-raspi2-5.3 vulnerability

It was discovered that the cgroup v2 subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service or possibly gain administrative privileges...

USN-4484-1: Linux kernel vulnerability

It was discovered that the cgroup v2 subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service or possibly gain administrative privileges...

Ubuntu 18.04 LTS : Linux kernel vulnerability (USN-4484-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4484-1 advisory. It was discovered that the cgroup v2 subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a NULL pointer...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1236)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. This update is signed with the new UEFI signing key for openSUSE. It contains rebuilds of all available KMP packages also rebuilt with the new UEFi signing key. boo1174543 The following security bugs were fixed : ...

Insecure Authorization

github.com/opencontainers/runc does not provide secure authorization. Users who have created their config.json objects and did not prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not provided protection by the devices cgroup. This would allow malicious containers wi...

Docker Privileged Container Escape

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework POC modified from https://blog.trailofbits.com/2019/07/19/understanding-docker-container-escapes/ class MetasploitModule 'Docker Privileged Container Escape',...

Docker Privileged Container Escape Exploit

This Metasploit module escapes from a privileged Docker container and obtains root on the host machine by abusing the Linux cgroup notification on release feature. This exploit should work against any container started with the following flags: --cap-add=SYSADMIN, --privileged. This module requir...

cri-o: infra container reparented to systemd following OOM Killer killing it's conmon

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

cri-o: infra container reparented to systemd following OOM Killer killing it's conmon

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

PT-2020-6154

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.7.10 Description The issue is related to a null pointer dereference in the cgroupv2 subsystem of the Linux kernel. This could allow an attacker to cause a denial of service or escalate their privileges. A local...

systemd security, bug fix, and enhancement update

239-29.0.1.el8 - fix to enable systemd-pstore.service Orabug: 30951066 - journal: change support URL shown in the catalog entries Orabug: 30853009 - fix to generate systemd-pstore.service file Orabug: 30230056 - fix netdev is missing for iscsi entry in /etc/fstab [email protected] Orabug:...

Unbreakable Enterprise kernel security update

4.14.35-1902.11.3 - xfs: do async inactivation only when fs freezed Junxiao Bi Orabug: 31013775 4.14.35-1902.11.2 - ib/core: Cancel fmr delayedworker when in shutdown phase of reboot system Hans Westgaard Ry Orabug: 30967501 - Revert 'printk: Default console logging level should be set to 4' Cesa...

Kernel update: Virtuozzo ReadyKernel patch 99.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 2.5, 3.0, 3.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-862.20.2.vz7.73.24 Virtuozzo 7.0.9 and Virtuozzo Infrastructure Platform 2.5, 3.10.0-862.20.2.vz7.73.29 Virtuozzo 7.0.9 and Virtuozzo Infrastructure Platform 2.5,...

CVE-2019-14891

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

Design/Logic Flaw

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

CVE-2019-14891

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

CVE-2019-14891: Improper Cleanup on Thrown Exception

A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management conmon processes being killed if a workload process triggers an out-of-memory OOM condition for the cgroup. An attacker could abuse this flaw to get...

OPENSUSE-SU-2019:2286-1 Security update for lxc

This update for lxc fixes the following issues: Update to lxc 3.2.1. The changelog can be found at https://discuss.linuxcontainers.org/t/lxc-3-2-1-has-been-released/5322 + seccomp: support syscall forwarding to userspace + add lxc.seccomp.allownesting + pidfd: Add initial support for the new pidf...

openSUSE Security Update : lxc (openSUSE-2019-2245)

This update for lxc fixes the following issues : Update to lxc 3.2.1. The changelog can be found at https://discuss.linuxcontainers.org/t/lxc-3-2-1-has-been-released/5322 + seccomp: support syscall forwarding to userspace + add lxc.seccomp.allownesting + pidfd: Add initial support for the new pid...