Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990552)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990552 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate -...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987587 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate -...

Linux Distros Unpatched Vulnerability : CVE-2021-4197

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2021-47579

Mode C: CVE-2021-47579 affects the Linux kernel overlayfs component (ovl) with a WARN_ON path in ovl_workdir_create() when mkdir returns a dentry without an inode (not instantiated). The fix, described in the connected advisories, calls ovl_mkdir_real() directly from ovl_workdir_create() and reje...

CVE-2021-47579 ovl: fix warning in ovl_create_real()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-dinode The reason is that the cgroup2 filesystem returns from mkdir without instantiating t...

CVE-2021-47579 ovl: fix warning in ovl_create_real()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-dinode The reason is that the cgroup2 filesystem returns from mkdir without instantiating t...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-023 (ALASKERNEL-5.4-2022-023)

The version of kernel installed on the remote host is prior to 5.4.181-99.354. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-023 advisory. AMD recommends using a software mitigation for this issue, which the kernel is enabling by default. The Lin...

Design/Logic Flaw

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...

CVE-2021-4197

CVE-2021-4197 is a Linux kernel vulnerability in the cgroup process migration permission checks. A local attacker could escalate privileges due to incorrect permission validation for cgroup-associated processes (affecting both cgroup v1 and v2). The issue is described across multiple sources as a...