CVE-2013-2140
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2013-2140 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Not vulnerable.
This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5 as it has no support for BLKIF_OP_DISCARD.
This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 3.8 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:S/C:N/I:P/A:P |
| Access Vector | Adjacent Network |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected |
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected |
CVE description copyright © 2017, The MITRE Corporation