CVE-2020-5923

CVE-2020-5923 affects F5 BIG-IP and BIG-IQ self-IP port-lockdown via IPv6 link-local addresses across multiple versions (BIG-IP 11.6.x–16.x, BIG-IQ 5.4–7.0). Root cause is self-IP port-lockdown bypass when accessed through IPv6 link-local addresses. Known vulnerable versions include: BIG-IP 11.6....

CVE-2020-5923

In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1 and BIG-IQ versions 5.4.0-7.0.0, Self-IP port-lockdown bypass via IPv6 link-local addresses...

Error 2320 - Cannot start apps. Please run Reset Citrix Workspace to resolve a lockdown conflict for LegacyLocalUserNameAndPassword

When trying to launch the applications through the Native Workspace App you get an error stating 'Cannot start apps. Please run Reset Citrix Workspace to resolve a lockdown conflict for LegacyLocalUserNameAndPassword'. Resetting Workspace App does not resolve the issue...

SUSE-SU-2020:2119-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. bsc1173573 - CVE-2020-15393: Fixed a memory leak in...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2107-1)

The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. bsc1173573 CVE-2020-15393: Fixed a memory leak in...

RHEL 8 : kernel (RHSA-2020:3222)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3222 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5791)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5791 advisory. - efi: Restrict efivarssdtload when the kernel is locked down Matthew Garrett Orabug: 31662729 CVE-2019-20908 Tenable has extracted the preceding description...

kernel: lockdown: bypass through ACPI write via acpi_configfs

A flaw was found in how the ACPI table loading through acpiconfigfs was handled when the kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerability is to data confidentiality and integrity as wel...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: lockdown: bypass through ACPI write via efivar_ssdt

A flaw was found in how the ACPI table loading through the EFI variable and the related efivarssdt boot option was handled when the Linux kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerabilit...

kernel: lockdown: bypass through ACPI write via efivar_ssdt

A flaw was found in how the ACPI table loading through the EFI variable and the related efivarssdt boot option was handled when the Linux kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerabilit...

kernel: lockdown: bypass through ACPI write via acpi_configfs

A flaw was found in how the ACPI table loading through acpiconfigfs was handled when the kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerability is to data confidentiality and integrity as wel...

kernel: lockdown: bypass through ACPI write via acpi_configfs

A flaw was found in how the ACPI table loading through acpiconfigfs was handled when the kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerability is to data confidentiality and integrity as wel...

kernel: lockdown: bypass through ACPI write via efivar_ssdt

A flaw was found in how the ACPI table loading through the EFI variable and the related efivarssdt boot option was handled when the Linux kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerabilit...

kernel: lockdown: bypass through ACPI write via efivar_ssdt

A flaw was found in how the ACPI table loading through the EFI variable and the related efivarssdt boot option was handled when the Linux kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerabilit...

kernel: lockdown: bypass through ACPI write via acpi_configfs

A flaw was found in how the ACPI table loading through acpiconfigfs was handled when the kernel was locked down. This flaw allows a root privileged local user to circumvent the kernel lockdown restrictions. The highest threat from this vulnerability is to data confidentiality and integrity as wel...

Unbreakable Enterprise kernel security update

5.4.17-2011.4.6.el8uek - Revert 'uek-rpm: Move grub boot menu update to posttrans stage.' Somasundaram Krishnasamy Orabug: 31358097 5.4.17-2011.4.5.el8uek - IB/sa: Resolv use-after-free in ibnlmakerequest Divya Indi Orabug: 31631527 - certs: Remove Oracle cert compiled into the kernel Eric Snowbe...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4439-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4439-1 advisory. It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An...

USN-4425-1 linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-hwe-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, linux-riscv vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the kernel-user space relay...

Linux kernel lockdown and secure boot restriction bypass vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the drivers/acpi/acpiconfigfs.c file in Linux kernel versions prior to 5.7.7. An attacker can exploit this vulnerability by injectin...