Debian: DSA-3348-1: qemu security update
Debian: DSA-3348-1: qemu security update
Several vulnerabilities were discovered in qemu, a fast processor emulator. CVE-2015-3214
- ------------------------------------------------------------------------- Debian Security Advisory DSA-3348-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso September 02, 2015 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : qemu CVE ID : CVE-2015-3214 CVE-2015-5154 CVE-2015-5165 CVE-2015-5225 CVE-2015-5745 Debian Bug : 793811 794610 795087 795461 796465 Several vulnerabilities were discovered in qemu, a fast processor emulator. CVE-2015-3214 Matt Tait of Google's Project Zero security team discovered a flaw in the QEMU i8254 PIT emulation. A privileged guest user in a guest with QEMU PIT emulation enabled could potentially use this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process. CVE-2015-5154 Kevin Wolf of Red Hat discovered a heap buffer overflow flaw in the IDE subsystem in QEMU while processing certain ATAPI commands. A privileged guest user in a guest with the CDROM drive enabled could potentially use this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process. CVE-2015-5165 Donghai Zhu discovered that the QEMU model of the RTL8139 network card did not sufficiently validate inputs in the C+ mode offload emulation, allowing a malicious guest to read uninitialized memory from the QEMU process's heap. CVE-2015-5225 Mr Qinghao Tang from QIHU 360 Inc. and Mr Zuozhi from Alibaba Inc discovered a buffer overflow flaw in the VNC display driver leading to heap memory corruption. A privileged guest user could use this flaw to mount a denial of service (QEMU process crash), or potentially to execute arbitrary code on the host with the privileges of the hosting QEMU process. CVE-2015-5745 A buffer overflow vulnerability was discovered in the way QEMU handles the virtio-serial device. A malicious guest could use this flaw to mount a denial of service (QEMU process crash). For the oldstable distribution (wheezy), these problems have been fixed in version 1.1.2+dfsg-6a+deb7u9. The oldstable distribution is only affected by CVE-2015-5165 and CVE-2015-5745. For the stable distribution (jessie), these problems have been fixed in version 1:2.1+dfsg-12+deb8u2. For the unstable distribution (sid), these problems have been fixed in version 1:2.4+dfsg-1a. We recommend that you upgrade your qemu packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.