5.5

CVE-2016-1922

QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
QemuQemu Version <= 2.5.1.1
DebianDebian Linux Version7.0
DebianDebian Linux Version8.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.43% 0.344
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://www.debian.org/security/2016/dsa-3469
Third Party Advisory
http://www.debian.org/security/2016/dsa-3470
Third Party Advisory
http://www.debian.org/security/2016/dsa-3471
Third Party Advisory
https://security.gentoo.org/glsa/201604-01
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/16/1
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2016/01/16/6
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/81058
Third Party Advisory
VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1283934
Third Party Advisory
Issue Tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html
Patch
Vendor Advisory