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CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend. x86: Las protecciones TSX Async Abort no son restauradas después de S3. Este problema está relacionado con una vulnerabilidad de seguridad especulativa TSX Async Abort. • https://security.gentoo.org/glsa/202107-30 https://xenbits.xenproject.org/xsa/advisory-377.txt •

CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of them. When the "soft reset" feature was implemented, the libxl__domain_suspend_state structure didn't require any initialization or disposal. At some point later, an initialization function was introduced for the structure; but the "soft reset" path wasn't refactored to call the initialization function. When a guest nwo initiates a "soft reboot", uninitialized data structure leads to an assert() when later code finds the structure in an unexpected state. • https://security.gentoo.org/glsa/202107-30 https://xenbits.xenproject.org/xsa/advisory-368.txt • CWE-909: Missing Initialization of Resource •