Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
CVSS Details
- CVSS 3.1 Base Score: 8.8
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Sep 20, 2017 | Aug 12, 2015 |
| Debian | — | Upgrade qemuUpgrade xen | Jul 30, 2024 | Aug 12, 2015 |
| Freebsd | — | Upgrade qemu-user-staticUpgrade qemu-sbrunoUpgrade xen-toolsUpgrade qemuUpgrade qemu-devel | Dec 10, 2025 | Aug 17, 2015 |
| Suse | — | Upgrade xen-doc-htmlUpgrade xen-kmp-defaultUpgrade xen-libsUpgrade xen-toolsUpgrade xen-libs-32bitUpgrade xen-doc-pdfUpgrade xen-develUpgrade xen-tools-domUUpgrade xenUpgrade xen-kmp-pae | Dec 18, 2015 | Aug 12, 2015 |
| Ubuntu | — | Upgrade qemu-systemUpgrade qemu-system-miscUpgrade qemu-system-mipsUpgrade qemu-kvmUpgrade qemu-system-aarch64Upgrade qemu-system-armUpgrade qemu-system-ppcUpgrade qemu-system-x86Upgrade qemu-system-sparc | Nov 8, 2024 | Aug 12, 2015 |
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