[SECURITY] Fedora 43 Update: xen-4.20.1-6.fc43

🗓️ 03 Oct 2025 00:18:40Reported by FedoraType

fedora

fedora🔗 lists.fedoraproject.org👁 8 Views

Fedora 43 Xen update provides XenD daemon and xm tools to manage virtual machines on Xen hypervisor.

Reporter	Title	Published	Views	Family All 138
bdu_fstec	The vulnerability of the cross-platform Xen kernel supervisor in Linux operating systems, related to the swapping of the zero pointer, allows a malicious actor to trigger a service failure.	8 Oct 202500:00	–	bdu_fstec
bdu_fstec	The vulnerability of the cross-platform Xen kernel supervisor in Linux operating systems, related to the swapping of the zero pointer, allows a malicious actor to trigger a service failure.	8 Oct 202500:00	–	bdu_fstec
bdu_fstec	The vulnerability of the cross-platform Xen kernel supervisor in Linux operating systems, related to synchronization errors when using shared resources, allows a perpetrator to compromise the vulnerable system.	8 Oct 202500:00	–	bdu_fstec
bdu_fstec	The vulnerability of the cross-platform Xen kernel supervisor in Linux operating systems, related to the swapping of the zero pointer, allows a malicious actor to trigger a service failure.	8 Oct 202500:00	–	bdu_fstec
bdu_fstec	The vulnerability of the cross-platform hypervisor Xen in Linux operating systems, related to deficiencies in access control, allows attackers to gain access to confidential information.	8 Oct 202500:00	–	bdu_fstec
circl	CVE-2025-27466	9 Sep 202510:02	–	circl
circl	CVE-2025-58142	9 Sep 202510:02	–	circl
circl	CVE-2025-58143	9 Sep 202510:02	–	circl
circl	CVE-2025-58144	9 Sep 202510:05	–	circl
circl	CVE-2025-58145	9 Sep 202510:05	–	circl

OS	OS Version	Architecture	Package	Package Version	Filename
Fedora Linux	43	noarch	xen	4.20.1-6.fc43	xen-4.20.1-6.fc43.noarch.rpm

03 Oct 2025 00:18Current

7High risk

Vulners AI Score7

CVSS 3.19.8

EPSS0.00435

SSVC

Fedora 43 Xen hypervisor XenD daemon Xen toolset virtual machines