CVE-2014-5263

Description

vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.

CVSS Metrics

• v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.41%• Percentile: 62%

Techniques & Countermeasures

• CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

  The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

• qemu•qemu

  1.6.0

References (5)

• http://www.openwall.com/lists/oss-security/2014/08/04/1
• https://bugzilla.redhat.com/show_bug.cgi?id=1126543
• http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=3afca1d6d413592c2b78cf28f52fa24a586d8f56
• http://www.openwall.com/lists/oss-security/2014/08/16/1
• http://www.ubuntu.com/usn/USN-2409-1