libvirt security vulnerabilities

libvirt is libvirt's open source Linux API for implementing Linux virtualization features. it supports a variety of Hypervisors, including Xen and KVM, as well as QEMU and a number of virtualization products used for other operating systems. A security vulnerability exists in libvirt that stems...

Linux Distros Unpatched Vulnerability : CVE-2025-13193

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libvirt. External inactive snapshots for shut-down VMs are incorrectly created as world-readable, making it possible for unprivileged users ...

Libvirt: denial of service in xml parsing

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SUSE CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

Virtuozzo Hybrid Infrastructure 7.1 Hotfix 2 (7.1.0-190)

This update provides important stability fixes. Vulnerability id: VSTOR-115013 A stability fix for libvirt. Vulnerability id: VSTOR-115455 Failed to add a node to the compute cluster. Vulnerability id: VSTOR-118628 Fixed missing FUA write processing on dm-qcow2 and dm-ploop devices...

Virtuozzo Hybrid Infrastructure 7.0 Hotfix 5 (7.0.0-273)

This update provides important stability fixes. Vulnerability id: VSTOR-115013 A stability fix for libvirt. Vulnerability id: VSTOR-115455 Failed to add a node to the compute cluster. Vulnerability id: VSTOR-118628 Fixed missing FUA write processing on dm-qcow2 and dm-ploop devices...

Linux Distros Unpatched Vulnerability : CVE-2025-12748

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A...

AZL-70187 CVE-2025-12748 affecting package libvirt for versions less than 10.0.0-7

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

AZL-70199 CVE-2025-12748 affecting package libvirt for versions less than 7.10.0-11

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

UBUNTU-CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748 Libvirt: denial of service in xml parsing

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

CVE-2025-12748 is a libvirt vulnerability arising from XML file processing where parsing occurs before ACL checks, allowing a malicious XML payload with limited permissions to trigger excessive host memory allocation and a denial-of-service in the libvirt process. Connected advisories confirm aff...

CVE-2025-12748 Libvirt: denial of service in xml parsing

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748 Libvirt: denial of service in xml parsing

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...

CVE-2025-12748

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too...