Citrix XenServer 8.4.x Page Reference Leak (CTX697170)

The version of Citrix XenServer installed on the remote host is 8.4.x. It is, therefore, affected by a vulnerability as referenced in the CTX697170 advisory: - The grant table cache-flush error path fails to drop a page reference, which may allow a privileged user in a guest VM to compromise or...

Fedora 44 : xen (2026-839be67202)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-839be67202 advisory. x86/AMD: ineffectual Zenbleed workaround XSA-515, CVE-2026-79608 x86: XPTI may break on huge-memory systems XSA-516, CVE-2026-79609 grant-table:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush the cache for the PASID table before using it. When writing the address of a newly allocated, zero-initialized PASID table to a PASID directory entry, do so after flushing the CPU cache for this PASID table, not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush the current CPU’s ICache before flushing other CPUs. On SiFive Unmatched, I recently encountered the following bug during bootup: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops – illegal...

CVE-2026-102700

The Xen hypervisor is affected by a vulnerability in gnttab where the GNTTAB_cache_flush function fails to properly drop a page reference during certain error paths. This specifically occurs when the specified page is owned by special system domains, such as DOM_IO or DOM_COW . The issue stems fr...

PT-2026-111646

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. 1 XSA-437 CVE-2023-34321 addressed issues with overflows in calculations involved in guests flushing caches through GNTTABOP cache flush. Unfortunately the fix there...

PT-2026-111645

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An issue exists in the GNTTAB cache flush function where a previously added NULL pointer check failed to correctly adjust the subsequent error path. This results...

PT-2026-111644

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. 1 XSA-437 CVE-2023-34321 addressed issues with overflows in calculations involved in guests flushing caches through GNTTABOP cache flush. Unfortunately the fix there...

CVE-2026-85213 Kill Bill through 0.24.21 Missing Authorization on AdminResource Endpoints

Kill Bill through 0.24.21 fails to enforce permission annotations on several AdminResource endpoints including getQueueEntries, invalidatesCache, and putOutOfRotation. Authenticated users with minimal account:read permissions can read internal queues, flush server caches, and disable the server b...

CVE-2026-85213

Kill Bill through version 0.24.21 fails to enforce permission annotations on several AdminResource endpoints, including getQueueEntries , invalidatesCache , and putOutOfRotation . As a result, an authenticated user with only minimal account:read permissions can read internal queues, flush server ...

CVE-2026-85213 Kill Bill through 0.24.21 Missing Authorization on AdminResource Endpoints

Kill Bill through 0.24.21 fails to enforce permission annotations on several AdminResource endpoints including getQueueEntries, invalidatesCache, and putOutOfRotation. Authenticated users with minimal account:read permissions can read internal queues, flush server caches, and disable the server b...

PT-2026-85047

Kill Bill through 0.24.21 fails to enforce permission annotations on several AdminResource endpoints including getQueueEntries, invalidatesCache, and putOutOfRotation. Authenticated users with minimal account:read permissions can read internal queues, flush server caches, and disable the server b...

SUSE CVE-2026-72239

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSRAMD64SYSCFGSNPEN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSRAMD64SYSCFGSNPEN". Section 8.8 of the SNP spec says: Before invoking SNPINITEX with INITRMP se...

Linux Distros Unpatched Vulnerability : CVE-2026-72239

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert Drop WBINVD before setting MSRAMD64SYSCFGSNPEN Revert 99cf1fb58e68...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099789)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099789 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly...

CVE-2026-74561

In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6ilist walk in nhrtcacheflush nhrtcacheflush walks nh-f6ilist during an RTNL-serialized nexthop replace without holding nh-lock, racing the unlocked IPv6 route add/delete that mutate the list under nh-loc...

UBUNTU-CVE-2026-72239

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSRAMD64SYSCFGSNPEN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSRAMD64SYSCFGSNPEN". Section 8.8 of the SNP spec says: Before invoking SNPINITEX with INITRMP se...

CVE-2026-72239

The provided documents describe CVE-2026-72239 as a Linux kernel issue in x86/virt/sev related to SNP (Secure Encrypted Virtualization) handling. The root cause is a prior change: dropping WBINVD before setting MSR_AMD64_SYSCFG_SNP_EN, which is reverted. The SNP specification requires flushing di...

EUVD-2026-59138

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSRAMD64SYSCFGSNPEN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSRAMD64SYSCFGSNPEN". Section 8.8 of the SNP spec says: Before invoking SNPINITEX with INITRMP se...

PT-2026-72427

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSR AMD64 SYSCFG SNP EN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSR AMD64 SYSCFG SNP EN". Section 8.8 of the SNP spec says: Before invoking SNP INIT EX with...