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SUSE: 2018:3555-1 Moderate: QEMU DoS And Buffer Overflow Mitigated

suse
Calendar Grey October 29, 2018
Dist Suse Esm H88
SUSE has issued a security update for qemu to tackle three critical vulnerabilities. Users should promptly apply mitigations and adhere to patch guidelines!
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for qemu fixes the following issues: These security issues were fixed: - CVE-2018-12617: qmp_guest_file_read had an integer overflow that could have been exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket causing DoS (bsc#1098735). - CVE-2018-11806: Prevent heap-based buffer overflow via incoming fragmented datagrams (bsc#1096223). With this release the mitigations for Spectre v4 are moved the the patches from upstream (CVE-2018-3639, bsc#1092885). This feature was added: - Add support for block resize support for disks through the monitor (bsc#1094725). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

References

#1092885 #1094725 #1096223 #1098735

Cross- CVE-2018-11806 CVE-2018-12617 CVE-2018-3639

Affected Products:

SUSE Linux Enterprise Server 12-SP3

SUSE Linux Enterprise Desktop 12-SP3

SUSE CaaS Platform ALL

SUSE CaaS Platform 3.0

https://www.suse.com/security/cve/CVE-2018-11806.html

https://www.suse.com/security/cve/CVE-2018-12617.html

https://www.suse.com/security/cve/CVE-2018-3639.html

https://bugzilla.suse.com/1092885

https://bugzilla.suse.com/1094725

https://bugzilla.suse.com/1096223

https://bugzilla.suse.com/1098735

Announcement ID: SUSE-SU-2018:3555-1
Rating: moderate

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