CVE-2021-4120

CVE-2021-4120 affects snapd 2.54.2, where insufficient validation of snap content interface and layout paths allows a snap to inject arbitrary AppArmor policy rules and escape strict snap confinement. The underlying issue is in the content interface and layout declarations, enabling bypass of con...

Ubuntu 18.04 LTS / 20.04 LTS : snapd vulnerabilities (USN-5292-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5292-1 advisory. James Troup discovered that snap did not properly manage the permissions for the snap directories. A local attacker could possibly use this...

selinux-policy bug fix and enhancement update

The selinux-policy packages contain the rules that govern how confined processes run on the system. Bug Fixes and Enhancements: RHEL 8.4 Backport container-selinux policy to allow spct domains to set bpf rules on any domain BZ2015846 AVC prevents ping -I from running in UBI 8 container BZ2027691...

USN-5191-1: Flatpak vulnerability

It was discovered that Flatpak incorrectly handled certain AFUNIX sockets. An attacker could use this to specially craft a Flatpak application that could escape sandbox confinement...

USN-5191-1 flatpak vulnerability

It was discovered that Flatpak incorrectly handled certain AFUNIX sockets. An attacker could use this to specially craft a Flatpak application that could escape sandbox confinement...

OESA-2021-1385 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: An improper locking issue was found in the virStoragePoolLookupByTargetPath API o...

libvirt: Insecure sVirt label generation

A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality a...

openSUSE 15 Security Update : libvirt (openSUSE-SU-2021:1119-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:1119-1 advisory. - A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access...

SUSE SLED15: libvirt / libvirt-admin / libvirt-bash-completion / libvirt-client / etc (SUSE-SU-2021:2471-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:2471-1 advisory. - CVE-2021-3631: fix SELinux label generation logic bsc1187871 Tenable has extracted the preceding description block directly from the SUSE...

CVE-2021-3631

A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality a...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

Ubuntu: Security Advisory (USN-4951-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4951-1: Flatpak vulnerability

Anton Lydike discovered that Flatpak did not properly handle special tokens in desktop files. An attacker could use this to specially craft a Flatpak application that could escape sandbox confinement...

CVE-2020-16123

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCMCREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited ...

CVE-2020-16123

The CVE-2020-16123 entry describes an Ubuntu-specific patch to PulseAudio that introduced a race condition in the snap policy module. If SCM_CREDENTIALS were missing, a snap-connected client could be treated as not from a snap, allowing it to connect to PulseAudio with insufficient confinement. T...

UBUNTU-CVE-2020-16123

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCMCREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited ...

DEBIAN-CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

UBUNTU-CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

Privilege Escalation

systemtap is vulnerable to privilege escalation. A race condition was discovered in SystemTap that could allow users in the stapusr group to elevate privileges to that of members of the stapdev group and hence root, bypassing directory confinement restrictions and allowing them to insert arbitrar...

Huawei EulerOS: Security Advisory for nss, nss-util (EulerOS-SA-2016-1084)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...