cve/2013/CVE-2013-2140.md

CVE-2013-2140

Description

The dispatch_discard_io function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service (data loss) via filesystem write operations on a read-only disk that supports the (1) BLKIF_OP_DISCARD (aka discard or TRIM) or (2) SCSI UNMAP feature.

POC

Reference

• http://www.ubuntu.com/usn/USN-1938-1

Github

No PoCs found on GitHub currently.