Description
libspice, as used in QEMU-KVM in Red Hat Enterprise Virtualization Hypervisor (aka RHEV-H or rhev-hypervisor) before 5.5-2.2 and possibly other products, allows guest OS users to read from or write to arbitrary QEMU memory by modifying the address that is used by Cairo for memory mappings.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | rhev-hypervisor +1 | 5.5-2.2.4.2.el5rhev | RHSA-2010:0476 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | kvm +3 | 83-164.el5 | RHSA-2010:0271 |
Advisories 2
- RHSA-2010:0476 Red Hat Security Advisory: rhev-hypervisor security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2010:0271 Red Hat Security Advisory: kvm security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
References
- RHSA-2010:0476 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=568702
- RHSA-2010:0271 vendor-advisory