RHEL 8 : virt:rhel (RHSA-2026:68513)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:68513 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contai...

RHEL 8 : virt:rhel (RHSA-2026:68594)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:68594 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contai...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow bsc1275863. CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection bsc1274576. CVE-2026-63622...

CVE-2026-75900 affecting package swtpm for versions less than 0.8.1-6

CVE-2026-75900 affecting package swtpm for versions less than 0.8.1-6. A patched version of the package is available...

CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

DEBIAN-CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

UBUNTU-CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

CVE-2026-77159 Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

EUVD-2026-76034

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

CVE-2026-77159

A symlink-following flaw in libvirt's qemuTPMEmulatorPrepareHost() function performs a path-based chown() on the swtpm log file without validating for symbolic links. A local attacker with access to the swtpm account can replace the log file with a symlink, causing the root-level libvirtd daemon ...

CVE-2026-77159

A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd running as...

Linux Distros Unpatched Vulnerability : CVE-2026-77159

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost function. The function uses a path-based chown on the swtpm logfile without checking...

Important: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

libvirt: swtpm privilege escalation via symlink following

A flaw was found in libvirt. A local attacker, specifically a process running as the confined swtpm user, could exploit a symlink-following vulnerability in the virFileChownFiles function. By planting a symbolic link within the swtpm state directory, the attacker could trick the root-level libvir...

RHEL 9 : libvirt (RHSA-2026:65803)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:65803 advisory. The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libvirt (UTSA-2026-106768)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106768 advisory. A flaw was found in libvirt. A local attacker, specifically a process running as the confined swtpm user, could exploit a symlink-following vulnerability in the...

Important: Red Hat Security Advisory: libvirt security, bug fix, and enhancement update

An update for libvirt is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

libvirt: swtpm privilege escalation via symlink following

A flaw was found in libvirt. A local attacker, specifically a process running as the confined swtpm user, could exploit a symlink-following vulnerability in the virFileChownFiles function. By planting a symbolic link within the swtpm state directory, the attacker could trick the root-level libvir...