CVE-2022-48804

In the Linux kernel, the following vulnerability has been resolved: vtioctl: fix arrayindexnospec in vtsetactivate arrayindexnospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console...

CVE-2022-48804

In the Linux kernel, the following vulnerability has been resolved: vtioctl: fix arrayindexnospec in vtsetactivate arrayindexnospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console...

x86: Native Branch History Injection

ISSUE DESCRIPTION In August 2022, researchers at VU Amsterdam disclosed Spectre-BHB. Spectre-BHB was discussed in XSA-398. At the time, the susceptibility of Xen to Spectre-BHB was uncertain so no specific action was taken in XSA-398. However, various changes were made thereafter in upstream Xen ...