Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel 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...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-1489)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5368-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5368-1 advisory. It was discovered that the BPF verifier in the Linux kernel did not properly restrict pointer types in certain situations. A local attacker could use thi...

CVE-2022-28356

In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/afllc.c...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5358-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5358-2 advisory. It was discovered that the network traffic control implementation in the Linux kernel contained a use- after-free vulnerability. A local...

CVE-2022-1055

A use-after-free vulnerability was found in the tcnewtfilter function in net/sched/clsapi.c in the Linux kernel. The availability of local, unprivileged user namespaces allows privilege escalation. Mitigation On non-containerized deployments of Red Hat Enterprise Linux 8, you can disable user...

DEBIAN-CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

AZL-9218 CVE-2022-1055 affecting package kernel for versions less than 5.15.32.1-3

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

UBUNTU-CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

Design/Logic Flaw

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055 Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055 Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1016

A flaw was found in the Linux kernel in net/netfilter/nftablescore.c:nftdochain, which can cause a use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker. Mitigation On...

CVE-2022-1015

A flaw was found in the Linux kernel in linux/net/netfilter/nftablesapi.c of the netfilter subsystem. This flaw allows a local user to cause an out-of-bounds write issue. Mitigation In order to trigger the issue, it requires the ability to create user/net namespaces. On non-containerized...

GHSA-8V99-48M9-C8PM Incorrect Authorization in imgcrypt

Imgcrypt implements a function CheckAuthorization that is supposed to check whether a user is authorized to access an encrypted image given the keys that the user has provided on the command line that would enable decryption of the image. The check is to prevent that a user can start a container...

CVE-2022-24778

The imgcrypt library provides API exensions for containerd to support encrypted container images and implements the ctd-decoder command line tool for use by containerd to decrypt encrypted container images. The imgcrypt function CheckAuthorization is supposed to check whether the current used is...