OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0009)

The remote OracleVM system is missing necessary patches to address critical security updates : - NFS: commit direct writes even if they fail partially J. Bruce Fields Orabug: 28212440 - rds: update correct congestion map for loopback transport Mukesh Kacker Orabug: 29175685 - ext4: only look at t...

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

An update for kernel-alt is now available for Red Hat Enterprise Linux 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...

Unbreakable Enterprise kernel security update

4.1.12-124.26.1 - NFS: commit direct writes even if they fail partially J. Bruce Fields Orabug: 28212440 - rds: update correct congestion map for loopback transport Mukesh Kacker Orabug: 29175685 - ext4: only look at the bgflags field if it is valid Theodore Tso Orabug: 29316684 CVE-2018-10876...

Amazon Linux 2 : kernel (ALAS-2019-1165)

A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor implements its device control API. While creating a device via kvmioctlcreatedevice, the device holds a reference to a VM object, later this reference is transferred to the caller's file descriptor table. If suc...

Important: kernel

Issue Overview: A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor implements its device control API. While creating a device via kvmioctlcreatedevice, the device holds a reference to a VM object, later this reference is transferred to the caller's file descript...

Amazon Linux AMI : kernel (ALAS-2019-1165)

A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when nested =1 virtualization is enabled. This high resolution timerhrtimer runs when a L2 guest is active. After VM exit, the syncvmcs12 timer object is stopped. The...

SUSE-SU-2019:0541-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.175 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2019-6974: kvmioctlcreatedevice in virt/kvm/kvmmain.c mishandled reference counting because of a race condition, leading to a use-after-free...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-274)

The openSUSE Leap 42.3 kernel was updated to 4.4.175 to receive various bugfixes. The following security bugs were fixed : - CVE-2018-5391: Fixed a vulnerability, which allowed an attacker to cause a denial of service attack with low rates of packets targeting IP fragment re-assembly. bsc1103097 ...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2019:0274-1 Rating: important References: 1012382 1020413 1031492 1042286 1050549 1078355 1086095 1086652 1099810 1103097 1105428 1106061 1106929 1116345 1117108 1117645 1117744 1120017 1120758 1120902...

Important: kernel

Issue Overview: A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when nested =1 virtualization is enabled. This high resolution timerhrtimer runs when a L2 guest is active. After VM exit, the syncvmcs12 timer object is...

MGASA-2019-0098 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 4.14.100 and fixes at least the following security issues: Cross-hyperthread Spectre v2 mitigation is now provided by the Single Thread Indirect Branch Predictors STIBP support. Note that STIBP also requires the functionality be supported by the...

MGASA-2019-0097 Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.14.100 and fixes at least the following security issues: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In nestedgetvmcs12pages, in case of an error...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-203)

The openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2019-3459,CVE-2019-3460: Two information leaks in the bluetooth stack were fixed. bnc1120758. - CVE-2019-7221: A use-after-free in the KVM nVMX hrtimer was fixed...

SUSE SLES11 Security Update : kvm (SUSE-SU-2019:13962-1)

This update for kvm fixes the following issues : Security issues fixed : CVE-2019-6778: Fixed a heap buffer overflow issue in the SLiRP networking implementation bsc1123156. CVE-2018-19489: Fixed a denial of service vulnerability in virtfs bsc1117275. CVE-2018-19364: Fixed a use-after-free if the...

Linux - kvm_ioctl_create_device() NULL Pointer Dereference Exploit

Linux - kvmioctlcreatedevice NULL Pointer Dereference Exploit kvmioctlcreatedevice contains the following code: dev = kzallocsizeofdev, GFPKERNEL; if !dev return -ENOMEM; dev-ops = ops; dev-kvm = kvm; mutexlock&kvm-lock; ret = ops-createdev, cd-type; if ret lock; kfreedev; return ret;...

CVE-2019-6974

In the Linux kernel before 4.20.8, kvmioctlcreatedevice in virt/kvm/kvmmain.c mishandles reference counting because of a race condition, leading to a use-after-free...

DEBIAN-CVE-2019-6974

In the Linux kernel before 4.20.8, kvmioctlcreatedevice in virt/kvm/kvmmain.c mishandles reference counting because of a race condition, leading to a use-after-free...

SUSE-SU-2019:13962-1 Security update for kvm

This update for kvm fixes the following issues: Security issues fixed: - CVE-2019-6778: Fixed a heap buffer overflow issue in the SLiRP networking implementation bsc1123156. - CVE-2018-19489: Fixed a denial of service vulnerability in virtfs bsc1117275. - CVE-2018-19364: Fixed a use-after-free if...

CVE-2019-6974

In the Linux kernel before 4.20.8, kvmioctlcreatedevice in virt/kvm/kvmmain.c mishandles reference counting because of a race condition, leading to a use-after-free...

USN-3871-4: Linux kernel (HWE) vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.0...