From:
[email protected]
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- ------------------------------------------------------------------------- Debian Security Advisory DSA-4213-1
[email protected] https://www.debian.org/security/ Salvatore Bonaccorso
May 29, 2018
https://www.debian.org/security/faq
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Package : qemu
CVE ID : CVE-2017-5715 CVE-2017-15038 CVE-2017-15119 CVE-2017-15124
CVE-2017-15268 CVE-2017-15289 CVE-2017-16845 CVE-2017-17381
CVE-2017-18043 CVE-2018-5683 CVE-2018-7550
Debian Bug : 877890 880832 880836 882136 883399 883625 884806 886532
887392 892041
Several vulnerabilities were discovered in qemu, a fast processor
emulator.
CVE-2017-15038
Tuomas Tynkkynen discovered an information leak in 9pfs.
CVE-2017-15119
Eric Blake discovered that the NBD server insufficiently restricts
large option requests, resulting in denial of service.
CVE-2017-15124
Daniel Berrange discovered that the integrated VNC server
insufficiently restricted memory allocation, which could result in
denial of service.
CVE-2017-15268
A memory leak in websockets support may result in denial of service.
CVE-2017-15289
Guoxiang Niu discovered an OOB write in the emulated Cirrus graphics
adaptor which could result in denial of service.
CVE-2017-16845
Cyrille Chatras discovered an information leak in PS/2 mouse and
keyboard emulation which could be exploited during instance
migration.
CVE-2017-17381
Dengzhan Heyuandong Bijunhua and Liweichao discovered that an
implementation error in the virtio vring implementation could result
in denial of service.
CVE-2017-18043
Eric Blake discovered an integer overflow in an internally used
macro which could result in denial of service.
CVE-2018-5683
Jiang Xin and Lin ZheCheng discovered an OOB memory access in the
emulated VGA adaptor which could result in denial of service.
CVE-2018-7550
Cyrille Chatras discovered that an OOB memory write when using
multiboot could result in the execution of arbitrary code.
This update also backports a number of mitigations against the Spectre
v2 vulnerability affecting modern CPUs (CVE-2017-5715). For additional information please refer to
https://www.qemu.org/2018/01/04/spectre/
For the stable distribution (stretch), these problems have been fixed in version 1:2.8+dfsg-6+deb9u4.
We recommend that you upgrade your qemu packages.
For the detailed security status of qemu please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/qemu
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:
[email protected]
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