Advisories » MGASA-2015-0149

Updated qemu packages fix security vulnerabilities

Publication date: 15 Apr 2015
Modification date: 15 Apr 2015
Type: security
Affected Mageia releases : 4
CVE: CVE-2015-1779

Description

Updated qemu packages fix security vulnerabilities:

A denial of service flaw was found in the way QEMU handled malformed Physical
Region Descriptor Table (PRDT) data sent to the host's IDE and/or AHCI
controller emulation. A privileged guest user could use this flaw to crash the
system (rhbz#1204919).

It was found that the QEMU's websocket frame decoder processed incoming frames
without limiting resources used to process the header and the payload. An
attacker able to access a guest's VNC console could use this flaw to trigger a
denial of service on the host by exhausting all available memory and CPU
(CVE-2015-1779).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=15561
• https://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1779

SRPMS

4/core

• qemu-1.6.2-1.9.mga4