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SUSE: 2018:2565-1 Moderate: QEMU Denial of Service & Buffer Overflow

suse
Calendar Grey August 31, 2018
Dist Suse Esm H88
SUSE Security Announcement for QEMU resolves several vulnerabilities and includes guidance for systems that are impacted.
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 non-security was fixed: - Fix VirtQueue error for virtio-balloon during live migration (bsc#1020928). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

References

#1020928 #1092885 #1096223 #1098735

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

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP1

SUSE Linux Enterprise Server 12-SP1-LTSS

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/1020928

https://bugzilla.suse.com/1092885

https://bugzilla.suse.com/1096223

https://bugzilla.suse.com/1098735

Announcement ID: SUSE-SU-2018:2565-1
Rating: moderate

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