Linux Distros Unpatched Vulnerability : CVE-2023-34322

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped whe...

openSUSE: Security Advisory for xen (SUSE-SU-2023:3832-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

openSUSE: Security Advisory for xen (SUSE-SU-2023:4475-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

CVE-2023-34322

CVE-2023-34322 concerns Xen hypervisor shadow paging handling during memory pressure. In PV (paravirtualized) guests, Xen and shadowed PV guests map the guest root page table in shadow mode, so 64-bit PV guests operate on the shadow root page table. Under memory scarcity, shadows of page tables m...

CVE-2023-34322 top-level shadow reference dropped too early for 64-bit PV guests

For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on th...

CVE-2023-34322 top-level shadow reference dropped too early for 64-bit PV guests

For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on th...

Fedora 39 : xen (2023-35d2ad2328)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-35d2ad2328 advisory. arm32: The cache may not be properly cleaned/invalidated XSA-437, CVE-2023-34321 top-level shadow reference dropped too early for 64-bit PV guests...

SUSE: Security Advisory (SUSE-SU-2023:3894-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

SUSE: Security Advisory (SUSE-SU-2023:3895-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

SUSE: Security Advisory (SUSE-SU-2023:3902-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

SUSE SLED15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2023:3831-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3831-1 advisory. - CVE-2023-20588: Fixed AMD CPU transitional execution leak via division by zero XSA-439...