Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9030)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9030 advisory. - mwifiex: Fix possible buffer overflows in mwifiexcmdappendvsietlv Qing Xu Orabug: 31350932 CVE-2020-12653 - ALSA: rawmidi: Fix racy buffer resize...

Debian DSA-4843-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2020-27815 A flaw was reported in the JFS filesystem code allowing a local attacker with the ability to set extended attributes to cause a denial...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9023)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9023 advisory. 4.14.35-2025.404.1.2 - Revert 'rds: Deregister all FRWR mr with freemr' aru kolappan Orabug: 32426280 Tenable has extracted the preceding description...

FreeBSD : FreeBSD -- Xen guests can triger backend Out Of Memory (5d91370b-61fd-11eb-b87a-901b0ef719ab)

Some OSes including Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbound, a guest may be able to trigger a OOM in the backend. C Tenable Network Security, In...

FreeBSD -- Xen guests can triger backend Out Of Memory

Problem Description: Some OSes including Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbound, a guest may be able to trigger a OOM in the backend...

Xen OOM DoS (XSA-349)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability due to an issue with the watch event queue. A malicious guest can exploit this, by abusing the unbounded queue, to cause an out-of-memory error in the...

FreeBSD-SA-21:02.xenoom

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-21:02.xenoom Security Advisory The FreeBSD Project Topic: Xen guests can triger backend Out Of Memory Category: contrib Module: Xen Announced: 2021-01-29...

Amazon Linux 2 : kernel (ALAS-2021-1588)

The version of kernel installed on the remote host is prior to 4.14.214-160.339. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1588 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making...

Amazon Linux AMI : kernel (ALAS-2021-1477)

The version of kernel installed on the remote host is prior to 4.14.214-118.339. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1477 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making ...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9009)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9009 advisory. - target: fix XCOPY NAA identifier lookup Mike Christie Orabug: 32248041 CVE-2020-28374 - xen/events: block rogue events for some time Juergen Gros...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

Design/Logic Flaw

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

CVE-2020-29568

CVE-2020-29568 affects Xen frontends/backends (Xen 4.14.x and older) where watch events are processed by a single thread. If events arrive faster than handling, the unbounded queue can exhaust backend memory, allowing a guest to trigger an OOM in the dom0 backend. The Xen issue is described in mu...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

Frontends can trigger OOM in Backends by update a watched path

ISSUE DESCRIPTION Some OSes such as Linux, FreeBSD, NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbound, a guest may be able to trigger a OOM in the backend. IMPACT A malicious...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-2549)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the...

Kernel update: Virtuozzo ReadyKernel patch 118.1 for Virtuozzo Hybrid Server 7.0, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Hybrid Infrastructure 3.5, 4.0

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.0, Virtuozzo Infrastructure Platform, and Virtuozzo Hybrid Infrastructure. Vulnerability id: PSBM-121135 3.10.0-1127.8.2.vz7.151.14 to...