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

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

PT-2025-38131

Xen Security Advisory 474 v2 CVE-2025-58146 - XAPI UTF-8 string handling https://t.co/J86NHa4URx Buggy or malicious inputs to XAPI can cause a Denial of Service 3/3...

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...

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...

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...

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...