kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

[SECURITY] [DSA 6571-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6571-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 18, 2026 https://www.debian.org/security/faq -...

Debian dsa-6571 : libxen-dev - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6571 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6571-1 [email protected] https://www.debian.org/securit...

CVE-2026-31787

XSA-487 / CVE-2026-31787 Linux kernel double free in Xen privcmd driver A double free of kernel memory in the Linux kernel's Xen privcmd driver allows circumvention of kernel lockdown secure boot. Exploitation requires root-level access, which limits the broader security implications. | ---|---...

EUVD-2023-59906

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Citrix-Virtual-Apps-XEN-Exploit

CVE-2024-xxxx Citrix Virtual Apps and Desktops XEN Unauthenticated Remote Code execution See our blog post for technical details https://github.com/user-attachments/assets/563fd110-5321-49f7-8dc3-48eb0a53e0f9 PoC in Action python exploit-citrix-xen.py --target 192.168.1.120 --port 80 --cmd "whoam...

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2026:4641-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4641-1 advisory. Security issues fixed: - CVE-2026-79609: x86: XPTI may break on huge-memory systems bsc1283321. - CVE-2026-79610: grant-table: doub...

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2026:4642-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4642-1 advisory. - CVE-2026-79609: x86: XPTI may break on huge-memory systems bsc1283321. - CVE-2026-79610: grant-table: double version change race...

Linux Distros Unpatched Vulnerability : CVE-2026-98390

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen...

DEBIAN-CVE-2026-98390

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

CVE-2026-98390

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

CVE-2026-98390 x86/amd_node: Avoid divide by zero on virtualized systems

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

CVE-2026-98390 x86/amd_node: Avoid divide by zero on virtualized systems

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

EUVD-2026-101039

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

CVE-2026-98390

The Linux kernel contains a vulnerability where a divide by zero error can occur on certain virtualized systems, specifically Xen PVH dom0 . The issue arises because the underlying topology code on Xen can result in a roots_per_node value of 0 when num_nodes is 2 and num_roots is 1. This causes a...

OPENSUSE-SU-2026:12138-1 xen-4.22.0_06-1.1 on GA media

These are all security issues fixed in the xen-4.22.006-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-98390

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Avoid divide by zero on virtualized systems On a virtualized system, the number of nodes does not have a relationship to the number of roots. A Xen PVH dom0 can calculate rootspernode as 0, which crashes with a divid...

CVE-2026-110111

Xen Orchestra before 6.9.0 contains an improper access control vulnerability that allows any authenticated user to become global administrator by abusing the unprotected vm.importFromEsxi and vm.importMultipleFromEsxi methods. Attackers can point xo-server at a malicious ESXi host serving a craft...

UBUNTU-CVE-2026-110111

Xen Orchestra before 6.9.0 contains an improper access control vulnerability that allows any authenticated user to become global administrator by abusing the unprotected vm.importFromEsxi and vm.importMultipleFromEsxi methods. Attackers can point xo-server at a malicious ESXi host serving a craft...

CVE-2026-110111

Xen Orchestra versions prior to 6.9.0 are vulnerable to an improper access control flaw involving prototype pollution . An authenticated user can escalate privileges to global administrator by abusing the unprotected vm.importFromEsxi and vm.importMultipleFromEsxi methods. By directing the xo-ser...