Xen oxenstored DoS (XSA-352)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability due to an issue with oxenstored. A malicious guest administrator can change xenstore node ownership to run another guest out of quota, or create an...

xen-tools -- cirrus_bitblt_cputovideo does not check if memory region is safe

The Xen Project reports: In CIRRUSBLTMODEMEMSYSSRC mode the bitblit copy routine cirrusbitbltcputovideo fails to check whether the specified memory region is safe. A malicious guest administrator can cause an out of bounds memory write, very likely exploitable as a privilege escalation...

SUSE-SU-2016:3156-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2016-9637: ioport array overflow allowing a malicious guest administrator can escalate their privilege to that of the host bsc1011652 - CVE-2016-9386: x86 null segments were not always treated as unusable allowing a...

xen-kernel -- leak of per-domain profiling-related vcpu pointer array

The Xen Project reports: A domain's xenoprofile state contains an array of per-vcpu information... This array is leaked on domain teardown. This memory leak could -- over time -- exhaust the host's memory. The following parties can mount a denial of service attack affecting the whole system: A...