Troubleshooting common issues with XenServer clustered pools and GFS2 SRs

XenServer uses GFS2 to make thin provisioning available by using block-based storage devices that are accessed through iSCSI software initiator or Hardware HBA. This article provides a guide for troubleshooting common issues when GFS2 SRThin Provisioning is being used in XenServer or Citrix...

Red Hat glusterfs server RPC request processor component arbitrary file creation vulnerability

Red Hat glusterfs server is an open source distributed file system from Red Hat Red Hat. The system is mainly for media streaming , data analysis and other data and bandwidth intensive tasks to create large-scale distributed storage solutions. A security vulnerability exists in the 'gfs2createreq...

glusterfs: Arbitrary file creation on storage server allows for execution of arbitrary code

A flaw was found in RPC request using gfs2createreq in glusterfs server. An authenticated attacker could use this flaw to create arbitrary files and execute arbitrary code on glusterfs server nodes...

Troubleshooting thin provisioning for shared block storage on XenServer

XenServer and Citrix Hypervisor use GFS2 to provide the ability to set up thin provisioning with a shared block storage device. Pools that use GFS2 to thin provision their shared block storage are clustered and behave differently to pools that use shared file-based storage or LVM with shared bloc...

kernel security and bug fix update

2.6.32-754.2.1.OL6 - Update genkey bug 25599697 2.6.32-754.2.1 - x86 entry/64: Don't use IST entry for BP stack Waiman Long 1596113 CVE-2018-10872 - fs gfs2: Flush delayed work earlier in gfs2inodelookup Andreas Grunbacher 1506281 - mm mempolicy: fix use after free when calling getmempolicy Augus...

kernel security and bug fix update

2.6.32-754.OL6 - Update genkey bug 25599697 2.6.32-754 - powerpc 64s: Add support for a store forwarding barrier at kernel entry/exit Mauricio Oliveira 1581053 CVE-2018-3639 - x86 amd: Disable AMD SSBD mitigation in a VM Waiman Long 1580360 - x86 specctrl: Fix late microcode problem with AMD Waim...

Security update for the Linux Kernel (important)

The openSUSE Leap 42.2 kernel was updated to 4.4.92 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2017-13080: Wi-Fi Protected Access WPA and WPA2 allowed reinstallation of the Group Temporal Key GTK during the group key handshake, allowing an attacker...

Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20171006)

Security Fixes : - Kernel memory corruption due to a buffer overflow was found in brcmfcfg80211mgmttx function in Linux kernels from v3.9-rc1 to v4.13-rc1. The vulnerability can be triggered by sending a crafted NL80211CMDFRAME packet via netlink. This flaw is unlikely to be triggered remotely as...

CentOS Update for kernel CESA-2017:2863 centos6

Check the version of kernel SPDX-FileCopyrightText: 2017 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 scriptoid"1.3.6.1.4.1.25623.1.0.882783";...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2017:2863 An update for kernel is now available for Red Hat Enterprise Linux 6. 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...

kernel security and bug fix update

2.6.32-696.13.2.OL6 - Update genkey bug 25599697 2.6.32-696.13.2 - net l2cap: prevent stack overflow on incoming bluetooth packet Neil Horman 1490060 1490062 CVE-2017-1000251 - fs binfmtelf.c:loadelfbinary: return -EINVAL on zero-length mappings Petr Matousek 1492959 1492961 CVE-2017-1000253 - fs...

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

An update for kernel is now available for Red Hat Enterprise Linux 6. 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 the...

kernel security, bug fix, and enhancement update

3.10.0-514.21.1.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey bug 24817676 3.10.0-514.21.1 - kernel sched/core: Fix an SMP ordering race in trytowakeup vs...

kernel security, bug fix, and enhancement update

2.6.32-696.OL6 - Update genkey bug 25599697 2.6.32-696 - net dccp: fix freeing skb too early for IPV6RECVPKTINFO Hannes Frederic Sowa 1424628 CVE-2017-6074 2.6.32-695 - block nvme: Dont poll device being removed David Milburn 1422521 2.6.32-694 - fs posixacl: Clear SGID bit when setting file...

CentOS Update for kernel CESA-2016:2124 centos5

Check the version of kernel SPDX-FileCopyrightText: 2016 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 scriptoid"1.3.6.1.4.1.25623.1.0.882585";...

RedHat Update for kernel RHSA-2016:2124-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

Scientific Linux Security Update : kernel on SL5.x i386/x86_64 (20161028) (Dirty COW)

Security Fixes : - A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write COW breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase...

CentOS 5 : kernel (CESA-2016:2124) (Dirty COW)

An update for kernel is now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

RHEL 5 : kernel (RHSA-2016:2124)

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:2124 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: A race condition was found in the way...

PT-2019-7701 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.8 Description: A use-after-free issue is caused by the functions gfs2 clear rgrpd and read rindex entry in the Linux kernel. This issue affects the file system, specifically in the fs/gfs2/rgrp.c component...