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Debian LTS Advisory ([SECURITY] [DLA 1599-1] qemu security update)

Information

Severity

Severity

Critical

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

5 years ago

Summary

Several vulnerabilities were found in QEMU, a fast processor emulator: CVE-2016-2391 Zuozhi Fzz discovered that eof_times in USB OHCI emulation support could be used to cause a denial of service, via a null pointer dereference. CVE-2016-2392 / CVE-2016-2538 Qinghao Tang found a NULL pointer dereference and multiple integer overflows in the USB Net device support that could allow local guest OS administrators to cause a denial of service. These issues related to remote NDIS control message handling. CVE-2016-2841 Yang Hongke reported an infinite loop vulnerability in the NE2000 NIC emulation support. CVE-2016-2857 Liu Ling found a flaw in QEMU IP checksum routines. Attackers could take advantage of this issue to cause QEMU to crash. CVE-2016-2858 Arbitrary stack based allocation in the Pseudo Random Number Generator (PRNG) back-end support. Description truncated. Please see the references for more information.

Affected Software

Affected Software

qemu on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For Debian 8 'Jessie', these problems have been fixed in version 1:2.1+dfsg-12+deb8u8. We recommend that you upgrade your qemu packages.