CVE-2023-53273

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel assumes vmbus channel array to be allocated when called. However, in cases such as kdump/kexec, not all relids will be reset by the host. When th...

kdump information disclosure vulnerability

kdump is a kernel crash dump functionality component used in the Linux kernel based on kexec. A security vulnerability exists in versions of kdump prior to 2012-01-20, which stems from the program's lack of host key authentication. A remote attacker can exploit this vulnerability to impersonate t...

How to generate a complete crash dump file or a kernel crash dump file in vSphere by using an NMI from the ESX host

When you have a computer that is frozen but not crashing, you might need to have an analysis done on a DMP file produced while the machine is in its hung state. You may want to use the CTRL+SCROLL LOCK+SCROLL LOCK keyboard shortcut to generate a crash dump file. This shortcut may be useful in...

Scientific Linux Security Update : kexec-tools on SL7.x x86_64 (20150512)

It was found that the module-setup.sh script provided by kexec-tools created temporary files in an insecure way. A malicious, local user could use this flaw to conduct a symbolic link attack, allowing them to overwrite the contents of arbitrary files. CVE-2015-0267 This update also fixes the...