CVE-2013-2140

N/A Unknown
Published: September 25, 2013 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=604c499cbbcc3d5fe5fb8d53306aa0fae1990109
Source: secalert@redhat.com
http://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-2140.html
Source: secalert@redhat.com
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.5
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2013/06/05/21
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1938-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1943-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1944-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1945-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1946-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1947-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2038-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2039-1
Source: secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=971146
Source: secalert@redhat.com
https://github.com/torvalds/linux/commit/604c499cbbcc3d5fe5fb8d53306aa0fae1990109
Source: secalert@redhat.com
Exploit Patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=604c499cbbcc3d5fe5fb8d53306aa0fae1990109
Source: af854a3a-2127-422b-91ae-364da2661108
http://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-2140.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.5
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2013/06/05/21
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1938-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1943-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1944-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1945-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1946-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1947-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2038-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2039-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=971146
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/604c499cbbcc3d5fe5fb8d53306aa0fae1990109
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.1%
26th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

linux

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