XENMEM_aquire_resources Error Path DoS (XSA-334)

A denial of service DoS vulnerability exists in Xen servers XENMEMacquireresource due to an error path exiting without releasing an RCU Read, Copy, Update reference. An authenticated, local attacker can exploit this issue, via a malicious HVM stubdomain which can cause an RCU reference to be...

ALPINE-CVE-2020-25598

An issue was discovered in Xen 4.14.x. There is a missing unlock in the XENMEMacquireresource error path. The RCU Read, Copy, Update mechanism is a synchronisation primitive. A buggy error path in the XENMEMacquireresource exits without releasing an RCU reference, which is conceptually similar to...

PT-2015-5305 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 3.18.8 Description: The issue is related to the IPv4 implementation in the Linux kernel, which does not properly consider the length of the Read-Copy Update RCU grace period for redirecting lookups in the absenc...