Multiple buffer underflows in the XFS implementation in the Linux kernel through 3.12.1 allow local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging the CAP_SYS_ADMIN capability for a (1) XFS_IOC_ATTRLIST_BY_HANDLE or (2) XFS_IOC_ATTRLIST_BY_HANDLE_32 ioctl call with a crafted length value, related to the xfs_attrlist_by_handle function in fs/xfs/xfs_ioctl.c and the xfs_compat_attrlist_by_handle function in fs/xfs/xfs_ioctl32.c.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.ubuntu.com/usn/USN-2135-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2138-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2113-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2141-1 | vendor advisory |
| http://www.openwall.com/lists/oss-security/2013/11/22/5 | mailing list |
| http://www.ubuntu.com/usn/USN-2110-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2129-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2128-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2139-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2158-1 | vendor advisory |
| http://www.ubuntu.com/usn/USN-2117-1 | vendor advisory |
| http://www.securityfocus.com/bid/63889 | vdb entry |
| http://www.ubuntu.com/usn/USN-2109-1 | vendor advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1033603 | |
| http://www.spinics.net/lists/xfs/msg23343.html | mailing list exploit patch |