TencentOS Server 4: qemu (TSSA-2026:0097)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0097 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2026-0665 Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption...

PT-2012-4763

Name of the Vulnerable Software and Affected Versions Xen versions 4.1 through 4.2 Citrix XenServer version 6.0.2 and earlier Description The issue allows local HVM guest OS kernels to cause a denial of service host crash and possibly read hypervisor or guest memory. This is due to a missing rang...