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...

ALPINE-CVE-2018-5736

An error in zone database reference counting can lead to an assertion failure if a server which is running an affected version of BIND attempts several transfers of a slave zone in quick succession. This defect could be deliberately exercised by an attacker who is permitted to cause a vulnerable...

CVE-2018-5736

An error in zone database reference counting can lead to an assertion failure if a server which is running an affected version of BIND attempts several transfers of a slave zone in quick succession. This defect could be deliberately exercised by an attacker who is permitted to cause a vulnerable...

CVE-2018-5736

CVE-2018-5736 is an ISC BIND vulnerability affecting versions 9.12.0 and 9.12.1. The issue is an error in the zone database reference counting that can trigger an assertion failure when a vulnerable server performs several slave-zone transfers in quick succession (for example after valid NOTIFY m...

Google gVisor Elevation of Privilege Vulnerability

Google gVisor is a user-space kernel written in the Go language for use in Linux systems. A security vulnerability in the pkg/sentry/kernel/shm/shm.go file in versions of Google gVisor prior to 2018-11-01 stems from the program not handling reference counting correctly. An attacker could use the...

Memory corruption

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root but not escape the sandbox via vectors involving IPCRMID shmctl calls, because reference counting is mishandled...

CVE-2018-19333

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root but not escape the sandbox via vectors involving IPCRMID shmctl calls, because reference counting is mishandled...

Microsoft Windows - Double Dereference in NtEnumerateKey Elevation of Privilege Exploit

Exploit for windows platform in category dos / poc Windows: Double Dereference in NtEnumerateKey Elevation of Privilege Platform: Windows 10 1803 not vulnerable in earlier versions Class: Elevation of Privilege Summary: A number of registry system calls do not correctly handle pre-defined keys...

Race condition

In the KGSL driver in Android releases from CAF using the linux kernel Android for MSM, Firefox OS for MSM, QRD Android before security patch level 2018-06-05, a reference counting error can lead to a Use After Free condition...

USN-3586-2: DHCP vulnerabilities

USN-3586-1 fixed a vulnerability in DHCP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Felix Wilhelm discovered that the DHCP client incorrectly handled certain malformed responses. A remote attacker could use this issue to cause the DHCP client t...

dhcp: Reference count overflow in dhcpd allows denial of service

A denial of service flaw was found in the way dhcpd handled reference counting when processing client requests. A malicious DHCP client could use this flaw to trigger a reference count overflow on the server side, potentially causing dhcpd to crash, by sending large amounts of traffic...

Ubuntu 14.04 LTS / 16.04 LTS : DHCP vulnerabilities (USN-3586-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3586-1 advisory. Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could...

USN-3586-1: DHCP vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

USN-3586-1 isc-dhcp vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode...

CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode...

UBUNTU-CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode...

DEBIAN-CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode...

CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode...

CVE-2017-17564

CVE-2017-17564 affects the Xen hypervisor (up to 4.9.x). Vulnerability arises from incorrect error handling for reference counting in shadow mode, allowing a guest OS user to crash the host OS or gain host privileges. Exploitation details are not provided in the initial document, but related conn...