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Bug 488154 (CVE-2013-2140) - Kernel: dispatch_discard_io DoS in Xen blkback (CVE-2013-2140)
Summary: Kernel: dispatch_discard_io DoS in Xen blkback (CVE-2013-2140)
Alias: CVE-2013-2140
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Security
Whiteboard: [ <3.10.5 ]
Depends on:
Reported: 2013-10-16 01:35 UTC by GLSAMaker/CVETool Bot
Modified: 2019-10-23 17:09 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description GLSAMaker/CVETool Bot gentoo-dev 2013-10-16 01:35:46 UTC
CVE-2013-2140 (
  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.
Comment 1 Tomáš Mózes 2018-12-10 09:40:42 UTC
Security, can you please close this obsolete one? Thanks
Comment 2 Tomáš Mózes 2019-10-23 16:55:43 UTC