kernel: xen: Xen hypercall page unsafe against speculative attacks (Xen Security Advisory 466)

A flaw was found in Xen hypercall page handling within virtualized guest environments. The Xen hypercall page contains code generated by the hypervisor that lacks awareness of guest operating system CPU speculation mitigations, such as return instruction transforms, and Control-flow Integrity CFI...

PT-2025-38131

Name of the Vulnerable Software and Affected Versions XAPI affected versions not specified Description Multiple issues in XAPI can lead to a Denial of Service. First, while updates to the database sanitize input strings, the notification generation process uses unsanitized input, which can cause...

PT-2025-43033

Name of the Vulnerable Software and Affected Versions xen affected versions not specified Description Certain Viridian hypercalls can be specified in a way that leads to a security issue. Details are available in a linked source. Recommendations At the moment, there is no information about a newe...

PT-2025-43034

Name of the Vulnerable Software and Affected Versions xen affected versions not specified Description Certain hypercalls within xen can be specified in a manner that presents a security concern. The description does not provide details about the nature of the issue or any specific technical detai...

ALPINE-CVE-2024-31142

Because of a logical error in XSA-407 Branch Type Confusion, the mitigation is not applied properly when it is intended to be used. XSA-434 Speculative Return Stack Overflow uses the same infrastructure, so is equally impacted. For more details, see: https://xenbits.xen.org/xsa/advisory-407.html...

DEBIAN-CVE-2024-31142

Because of a logical error in XSA-407 Branch Type Confusion, the mitigation is not applied properly when it is intended to be used. XSA-434 Speculative Return Stack Overflow uses the same infrastructure, so is equally impacted. For more details, see: https://xenbits.xen.org/xsa/advisory-407.html...

SUSE CVE-2024-31142

Because of a logical error in XSA-407 Branch Type Confusion, the mitigation is not applied properly when it is intended to be used. XSA-434 Speculative Return Stack Overflow uses the same infrastructure, so is equally impacted. For more details, see: https://xenbits.xen.org/xsa/advisory-407.html...

SUSE CVE-2017-10915

The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219...

SUSE CVE-2021-28690

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...

DEBIAN-CVE-2021-28690

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...

CVE-2021-28690

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...

UBUNTU-CVE-2019-19579

An issue was discovered in Xen through 4.12.x allowing attackers to gain host OS privileges via DMA in a situation where an untrusted domain has access to a physical device and assignable-add is not used, because of an incomplete fix for CVE-2019-18424. XSA-302 relies on the use of libxl's...