Description
The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.
References (4)
Core 4
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3259
Mailing List mailing-list
x_refsource_mlist
http://openwall.com/lists/oss-security/2015/04/20/7
Patch x_refsource_confirm
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b46e618e8
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/73316
Scores
EPSS
0.0021
EPSS Percentile
42.9%
Details
CWE
CWE-399
Status
published
Products (20)
debian/debian_linux
8.0
qemu/qemu
1.0 (5 CPE variants)
qemu/qemu
1.0.1
qemu/qemu
1.1 (5 CPE variants)
qemu/qemu
1.4.1
qemu/qemu
1.4.2
qemu/qemu
1.5.0 (4 CPE variants)
qemu/qemu
1.5.1
qemu/qemu
1.5.2
qemu/qemu
1.5.3
... and 10 more
Published
Apr 21, 2015
Tracked Since
Feb 18, 2026