SUSE Linux 12-SP2 SUSE-SU-2017:0571-1 Important: DoS Risk in Xen
suse
February 27, 2017
An update that solves four vulnerabilities and has 7 fixes An update that solves four vulnerabilities and has 7 fixes An update that solves four vulnerabilities and has 7 fixes is ...
Summary
This update for xen fixes several issues. These security issues were fixed: - CVE-2017-2620: In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine cirrus_bitblt_cputovideo failed to check the memory region, allowing for an out-of-bounds write that allows for privilege escalation (bsc#1024834). - CVE-2017-2615: An error in the bitblt copy operation could have allowed a malicious guest administrator to cause an out of bounds memory access, possibly leading to information disclosure or privilege escalation (bsc#1023004). - A malicious guest could have, by frequently rebooting over extended periods of time, run the host system out of memory, resulting in a Denial of Service (DoS) (bsc#1022871) - CVE-2016-9921: The Cirrus CLGD 54xx VGA Emulator support was vulnerable
Topics Covered
References
#1000195 #1002496 #1005028 #1012651 #1014298
#1014300 #1015169 #1016340 #1022871 #1023004
#1024834
Cross- CVE-2016-9921 CVE-2016-9922 CVE-2017-2615
CVE-2017-2620
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP2
SUSE Linux Enterprise Server 12-SP2
SUSE Linux Enterprise Desktop 12-SP2
https://www.suse.com/security/cve/CVE-2016-9921.html
https://www.suse.com/security/cve/CVE-2016-9922.html
https://www.suse.com/security/cve/CVE-2017-2615.html
https://www.suse.com/security/cve/CVE-2017-2620.html
https://bugzilla.suse.com/1000195
https://bugzilla.suse.com/1002496
https://bugzilla.suse.com/1005028
https://bugzilla.suse.com/1012651
https://bugzilla.suse.com/1014298
https://bugzilla.suse.com/1014300
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Announcement ID: SUSE-SU-2017:0571-1
Rating: important
Topics Covered
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