UBUNTU-CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

Ubuntu: Security Advisory (USN-5055-1)

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...

UBUNTU-CVE-2021-28700

xen/arm: No memory limit for dom0less domUs The dom0less feature allows an administrator to create multiple unprivileged domains directly from Xen. Unfortunately, the memory limit from them is not set. This allow a domain to allocate memory beyond what an administrator originally configured...

UBUNTU-CVE-2021-36980

Open vSwitch aka openvswitch 2.11.0 through 2.15.0 has a use-after-free in decodeNXASTRAWENCAP called from ofpactdecode and ofpactsdecode during the decoding of a RAWENCAP action...

UBUNTU-CVE-2021-28690

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX the default and preferred option requires selecting a...

USN-4986-4 rpcbind regression

USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression resulting in rpcbind crashing in certain environments. This update fixes the problem for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that rpcbind incorrectly handled certain large...

Ubuntu: Security Advisory (USN-4964-1)

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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4893-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4893-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker...

USN-3421-2 libidn2-0 vulnerability

USN-3421-1 fixed a vulnerability in Libidn2. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM...

USN-4775-1 lighttpd vulnerabilities

It was discovered that Lighttpd did not properly sanitized the string used in basic HTTP authentication method. A remote attacker could use this to inject arbitrary log entries and maybe obtain sensitive information. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. CVE-2015-3200 It...

Ubuntu: Security Advisory (USN-4758-1)

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-4747-2 screen vulnerability

USN-4747-1 fixed a vulnerability in screen. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash...

Internet Bug Bounty: Canonical Snapcraft vulnerable to remote code execution under certain conditions

Preface: I apologize for previously submitting this bug to hacker1 before it was fully addressed by the Ubuntu Security Team I have reported this issue to the Ubuntu Security team and it has been fixed: CVE-2020-27348 Bug link: https://bugs.launchpad.net/snapcraft/+bug/1901572 Ubuntu Security Tea...

Ubuntu: Security Advisory (USN-4656-1)

The remote host is missing an update for the 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...

Ubuntu: Security Advisory (USN-4620-1)

The remote host is missing an update for the 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...

Ubuntu: Security Advisory (USN-4573-1)

The remote host is missing an update for the 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...

Vulnerability fixed in Samba

Ubuntu has fixed a vulnerability in Samba. The vulnerability potentially allows a malicious party to obtain domain administrator rights. The vulnerability with reference CVE-2020-1472 in Samba in that case should be exploited in conjunction with a vulnerable Microsoft domain controller to be...

UBUNTU-CVE-2020-12673

In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read...

UBUNTU-CVE-2020-15704

The modprobe child process in the ./debian/patches/loadpppgenericifneeded patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBEOPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2,...

whoopsie denial of service vulnerability

Whoopsie is an error reporting program for Ubuntu Linux. A security vulnerability exists in the 'parsereport' file of whoopsie.c in Whoopsie 0.2.69 and earlier versions, which stems from the program failing to allocate memory correctly. An attacker can exploit this vulnerability to cause a denial...