Ubuntu Security Notice 2751-1 - Benjamin Randazzo discovered an information leak in the md (multiple device) driver when the bitmap_info.file is disabled. A local privileged attacker could use this to obtain sensitive information from the kernel. Lureau discovered that the vhost driver did not properly release the userspace provided log file descriptor. A privileged attacker could use this to cause a denial of service (resource exhaustion). Various other issues were also addressed.
405924714667abca6dd52a948eb668373582fe5cba40c4a1e880bf55c253e392