Fedora 43 : xen (2026-7b2b7837b6)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7b2b7837b6 advisory. x86: CPU Opcode Cache corruption XSA-490,CVE-2025-54518 Tenable has extracted the preceding description block directly from the Fedora security advisory. Not...

Astra Linux - уязвимость в xen

Observable discrepancies in response times of some Intel processors may allow authorized users to potentially disclose information through local access...

Astra Linux - уязвимость в xen

x86: TSX Async Abort protections are not restored after S3. This issue relates to the TSX Async Abort speculative security vulnerability. For more details, please refer to https://xenbits.xen.org/xsa/advisory-305.html. To mitigate TAA by disabling TSX the default and preferred option, it is...

Astra Linux – Vulnerability in Xen

Potential speculative code storage bypasses exist in all supported CPU products. Combined with software vulnerabilities related to speculative execution of overwritten instructions, this could lead to incorrect speculation and potentially cause data leakage...

Fedora 42 : xen (2026-f04da48123)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f04da48123 advisory. update to xen 4.19.5 ---- Use after free of paging structures in EPT XSA-480, CVE-2026-23554 Xenstored DoS by unprivileged domain XSA-481,...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2026:1093-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1093-1 advisory. - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 - CVE-2026-23555: xen:...

Mageia: Security Advisory (MGASA-2026-0026)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

PT-2026-5017

A severe vulnerability was disclosed for Xen CVE-2025-58151 https://t.co/aRR5DmmtNF...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002155)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002155 advisory. The xenfailsafecallback function in Xen for the Linux kernel 2.6.23 and other versions, when running a 32-bit PVOPS guest, allows local users to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002681)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002681 advisory. The xenbiovecphysmergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from Xen Open Source. The product enables different and incompatible operating systems to run on the same computer and supports migration at runtime to ensure uptime and avoid downtime. A security vulnerability exists in Xen that stems from a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414667)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414667 advisory. An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are...

Unspecified vulnerability in Xen (CNVD-2025-21353)

Xen is an open source virtual machine monitor product from Xen Open Source. The product enables different and incompatible operating systems to run on the same computer and supports migration at runtime to ensure uptime and avoid downtime. Xen has a security vulnerability that can be exploited by...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from Xen Open Source. The product enables different and incompatible operating systems to run on the same computer and supports migration at runtime to ensure uptime and avoid downtime. A security vulnerability exists in Xen that stems from...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from Xen Open Source. The product enables different and incompatible operating systems to run on the same computer and supports migration at runtime to ensure uptime and avoid downtime. Xen has a security vulnerability that can be exploited by...

Linux Distros Unpatched Vulnerability : CVE-2020-25603

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures c...

Linux Distros Unpatched Vulnerability : CVE-2020-29480

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest...

Linux Distros Unpatched Vulnerability : CVE-2019-18420

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOPinitialise hypercall...

Linux Distros Unpatched Vulnerability : CVE-2018-10982

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service unexpectedly high interrupt number, array overrun, an...

Linux Distros Unpatched Vulnerability : CVE-2020-25596

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x. x86 PV guest kernels can experience denial of service via SYSENTER. The SYSENTER instruction leaves various state...