ALPINE-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

DEBIAN-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

ALPINE-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

DEBIAN-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

UBUNTU-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

PT-2020-16118

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.14.x Description An issue in Xen allows malicious or buggy guest kernels to mount a Denial of Service DoS attack affecting the entire system. The problem arises from a lack of preemption in evtchn reset / evtchn destroy...

Xen Information Disclosure Vulnerability (CNVD-2020-53818)

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen is vulnerable to a code issue. The...

PT-2020-16116

Name of the Vulnerable Software and Affected Versions Xen versions 4.5 through 4.14.x Description An issue in Xen allows for evtchn reset race conditions, potentially leading to out of bounds memory accesses, bug checks, or information leaks. Uses of EVTCHNOP reset or XEN DOMCTL soft reset can...

Unbreakable Enterprise kernel security and bugfix update

2.6.39-400.23.1 - Parallel mtrr init between cpus Zhenzhong Duan Orabug: 16777774 - Merge tag 'v2.6.39-400.21.1.16748891' of git://ca-git.us.oracle.com/linux-uek-2.6.39-ofed into uek-2.6.39-400 Maxim Uvarov Orabug: 16748891 - xen-blkfront: use a different scatterlist for each request Roger Pau...