SUSE: 2018:2352-1 Important: Kernel Live Patch Addresses DoS Risks
suse
August 16, 2018
An update that fixes three vulnerabilities is now available
Summary
This update for the Linux Kernel 3.12.61-52_89 fixes several issues. The following security issues were fixed: - CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system (bsc#1099306). - CVE-2017-11600: net/xfrm/xfrm_policy.c did not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allowed local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message (bsc#1096564) - CVE-2018-10853: A flaw was found in kvm. In which certain instructions
Topics Covered
References
#1096564 #1097108 #1099306
Cross- CVE-2017-11600 CVE-2018-10853 CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Server 12-LTSS
https://www.suse.com/security/cve/CVE-2017-11600.html
https://www.suse.com/security/cve/CVE-2018-10853.html
https://www.suse.com/security/cve/CVE-2018-3646.html
https://bugzilla.suse.com/1096564
https://bugzilla.suse.com/1097108
https://bugzilla.suse.com/1099306
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Severity
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Medium
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Critical
Announcement ID: SUSE-SU-2018:2352-1
Rating: important
Topics Covered
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