CVE-2021-4154

A use-after-free flaw was found in cgroup1parseparam in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service ...

Privilege Escalation

focal is vulnerable to privilege escalation. The vulnerability exist in fsconfig syscall parameter that allows an attacker to cause a privilege escalation leading to a container breakout and an application crash...

Important: Red Hat Security Advisory: kpatch-patch security update

An update is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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...

RHEL 8 : kernel (RHSA-2022:0186)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0186 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: local privilege escalation by...

kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout

A use-after-free flaw was found in cgroup1parseparam in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service ...

CVE-2021-4154

A use-after-free flaw was found in cgroup1parseparam in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service ...

PT-2021-1524 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free flaw was found in the cgroup v1 parser, specifically in the cgroup1 parse param function in kernel/cgroup/cgroup-v1.c. This issue can be exploited by a local attacker...