kernel: cgroups v1 release_agent feature may allow privilege escalation

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

kernel: cgroups v1 release_agent feature may allow privilege escalation

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

kernel: cgroups v1 release_agent feature may allow privilege escalation

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2022-067-01)

The version of kernel-generic installed on the remote host is prior to 5.15.27 / 5.15.27smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2022-067-01 advisory. - A use-after-free vulnerability was found in rtsxusbmsdrvremove in drivers/memstick/host/rtsxusbms.c ...

Important: kernel

Issue Overview: AMD recommends using a software mitigation for this issue, which the kernel is enabling by default. The Linux kernel will use the generic retpoline software mitigation, instead of the specialized AMD one, on AMD instances 5a. This is done by default, and no administrator action is...

Important: kernel

Issue Overview: AMD recommends using a software mitigation for this issue, which the kernel is enabling by default. The Linux kernel will use the generic retpoline software mitigation, instead of the specialized AMD one, on AMD instances 5a. This is done by default, and no administrator action is...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2022:0755-1 Rating: important References: 1089644 1154353 1156395 1157038 1157923 1176447 1176940 1178134 1181147 1181588 1183872 1187716 1188404 1189126 1190812 1190972 1191580 1191655 1191741 1192210...

New Linux Kernel cgroups Vulnerability Could Let Attackers Escape Container

Details have emerged about a now-patched high-severity vulnerability in the Linux kernel that could potentially be abused to escape a container in order to execute arbitrary commands on the container host. The shortcoming resides in a Linux kernel feature called control groups, also referred to a...

CVE-2022-0492

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

USN-5302-1: Linux kernel (OEM) vulnerabilities

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 releaseagent feature. A local attacker could use this to gain administrative privileges. CVE-2022-0492 Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex...

USN-5302-1 linux-oem-5.14 vulnerabilities

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 releaseagent feature. A local attacker could use this to gain administrative privileges. CVE-2022-0492 Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.23 and fixes at least the following security issues: A stack overflow flaw was found in the Linux kernel TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than th...

Linux kernel authorization issue vulnerability

Linux kernel is the kernel used by the Linux Foundation's open-source operating system Linux. Linux kernel is vulnerable to a security flaw that stems from a problem with the software's permissions restrictions. The vulnerability can be exploited by an attacker to bypass the restrictions of the...

UBUNTU-CVE-2022-0492

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

Linux Kernel Authorization Vulnerability

Linux kernel is the kernel used by the Linux Foundation's open-source operating system Linux. Linux kernel is vulnerable to a security flaw that stems from a problem with the software's permissions restrictions. The vulnerability can be exploited by an attacker to bypass the restrictions of the...

Docker cgroups Container Escape

This exploit module takes advantage of a Docker image which has either the privileged flag, or SYSADMIN Linux capability. If the host kernel is vulnerable, its possible to escape the Docker image and achieve root on the host operating system. A vulnerability was found in the Linux kernel's...

CVE-2021-4197

An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1...

PT-2021-27178

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.88 Description A divide-by-zero issue exists when handling donations from low hweight cgroups. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...

PT-2021-27227

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.11 Description A divide-by-zero issue exists when handling donations from low hweight cgroups. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...