PRIOn knowledge basePRION:CVE-2013-2140Design/Logic Flaw
6.7 Medium
AI Score
Confidence
High
3.8 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:S/C:N/I:P/A:P
0.003 Low
EPSS
Percentile
64.5%
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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=604c499cbbcc3d5fe5fb8d53306aa0fae1990109
people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-2140.html
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.5
www.openwall.com/lists/oss-security/2013/06/05/21
www.ubuntu.com/usn/USN-1938-1
www.ubuntu.com/usn/USN-1943-1
www.ubuntu.com/usn/USN-1944-1
www.ubuntu.com/usn/USN-1945-1
www.ubuntu.com/usn/USN-1946-1
www.ubuntu.com/usn/USN-1947-1
www.ubuntu.com/usn/USN-2038-1
www.ubuntu.com/usn/USN-2039-1
bugzilla.redhat.com/show_bug.cgi?id=971146
github.com/torvalds/linux/commit/604c499cbbcc3d5fe5fb8d53306aa0fae1990109
Related
6.7 Medium
AI Score
Confidence
High
3.8 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:S/C:N/I:P/A:P
0.003 Low
EPSS
Percentile
64.5%