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CVE
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CVE-2013-2140Date: (C)2013-10-09   (M)2024-02-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 3.8
Exploit Score: 4.4
Impact Score: 4.9
 
CVSS V2 Metrics:
Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality: NONE
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
USN-1938-1
USN-1943-1
USN-1944-1
USN-1945-1
USN-1946-1
USN-1947-1
USN-2038-1
USN-2039-1
http://www.openwall.com/lists/oss-security/2013/06/05/21
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=604c499cbbcc3d5fe5fb8d53306aa0fae1990109
http://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-2140.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.5
https://bugzilla.redhat.com/show_bug.cgi?id=971146
https://github.com/torvalds/linux/commit/604c499cbbcc3d5fe5fb8d53306aa0fae1990109

CWE    1
CWE-20
OVAL    24
oval:org.secpod.oval:def:701397
oval:org.secpod.oval:def:701398
oval:org.secpod.oval:def:701402
oval:org.secpod.oval:def:701400
...

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