Ubuntu Security Notice 4191-1 - It was discovered that the LSI SCSI adapter emulator implementation in QEMU did not properly validate executed scripts. A local attacker could use this to cause a denial of service. Sergej Schumilo, Cornelius Aschermann and Simon Woerner discovered that the qxl paravirtual graphics driver implementation in QEMU contained a null pointer dereference. A local attacker in a guest could use this to cause a denial of service. Various other issues were also addressed.
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