CVE-2020-5939

CVE-2020-5939 affects BIG-IP VE on VMware with SR-IOV and Intel 85299 NICs. Affected versions include 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4. The underlying issue can leave the Traffic Management Microkernel (TMM) unable to transmit traffic, causin...

CVE-2020-5939

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition VE systems on VMware, with an Intel-based 85299 Network Interface Controller NIC card and Single Root I/O Virtualization SR-IOV enabled on vSphere, may fail and leave the...

F5 Networks BIG-IP : BIG-IP VE network interface vulnerability (K75111593)

The version of F5 Networks BIG-IP installed on the remote host is prior to 13.1.3.5 / 14.1.2.7 / 15.1.0.4 / 16.0.1. It is, therefore, affected by a vulnerability as referenced in the K75111593 advisory. - In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1698)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-12351: Fixed a type confusion while processing AMP packets aka 'BleedingTooth' aka 'BadKarma' bsc1177724. - CVE-2020-24490: Fixed a heap buffer overflow when...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0032)

The remote OracleVM system is missing necessary patches to address critical security updates : - uek-rpm: Add OL6 shim conflict for new signing key Eric Snowberg Orabug: 31688239 - Revert 'certs: Add Oracle's new X509 cert into the kernel keyring' Eric Snowberg Orabug: 31688223 - blk-mq: don't...

kernel security and bug fix update

3.10.0-1127.18.2.OL7 - Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 setlease be called without ilock Jeff Layton...

Denial Of Service (DoS)

kernel is vulnerable to denial of service DoS. The vulnerability exists as A NULL pointer dereference flaw was found in the igb driver in the Linux kernel. If both the Single Root I/O Virtualization SR-IOV feature and promiscuous mode were enabled on an interface using igb, it could result in a...

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

An update for openvswitch is now available for Fast Datapath for RHEL 7. 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 available for each vulnerability from...

Buffer overflow vulnerability in virglrenderer 'vrend_renderer_transfer_write_iov' function

virglrenderer is a VirGL virtual OpenGL renderer. A buffer overflow vulnerability exists in the 'vrendrenderertransferwriteiov' function in the vrendrenderer.c file in virglrenderer 0.8.0 and earlier. The vulnerability stems from a networked system or product performing operations in memory witho...

kernel: memory leak when merging buffers in SCSI IO vectors

It was found that in the Linux kernel through v4.14-rc5, biomapuseriov and biounmapuser in 'block/bio.c' do unbalanced pages refcounting if IO vector has small consecutive buffers belonging to the same page. bioaddpcpage merges them into one, but the page reference is never dropped, causing a...

Arbitrary Code Execution

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Arbitrary Code Execution

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Memory Corruption

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Arbitrary Code Execution

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Overcoming OpenStack Obstacles for vCDN at the Edge

Akamai and Wind River have collaborated to provide a validated, joint solution for virtual CDN services delivered with the reliability, scalability, and edge-optimized footprint that are required for cost-effective deployments in telecom networks. As the competition for viewers continues to heat...

How to troubleshoot common SR-IOV related issues

This article explains how to troubleshoot common SR-IOV Network related issues...

How to Use SR-IOV Feature in XenServer

This article describes following items. How to configure SR-IOV Network How to create SR-IOV VLAN network How to assign SR-IOV Network to a VM How to destroy SR-IOV Network Additional steps for NICs that use a legacy driver...

kernel: memory leak when merging buffers in SCSI IO vectors

It was found that in the Linux kernel through v4.14-rc5, biomapuseriov and biounmapuser in 'block/bio.c' do unbalanced pages refcounting if IO vector has small consecutive buffers belonging to the same page. bioaddpcpage merges them into one, but the page reference is never dropped, causing a...

Design/Logic Flaw

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

CVE-2015-1142857

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...