Ubuntu Security Notice 3820-1 - Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not properly perform input validation in some situations. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.
33d95214e519f77560280b735b814c81a899f8a9f824d8f38c685c13950636c8