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SUSE: 2023:3081-2 Important: Linux Kernel Security Flaw and Service Outage

suse
Calendar Grey December 7, 2016
Scroller Suse
Essential SUSE kernel patch resolves various issues associated with possible privilege escalation and denial of service security risks.
An update that fixes three vulnerabilities is now available

Summary

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive critical security fixes. The following security bugs were fixed: - CVE-2016-8655: A race condition in the af_packet packet_set_ring function could be used by local attackers to crash the kernel or gain privileges (bsc#1012754). - CVE-2016-8632: The tipc_msg_build function in net/tipc/msg.c in the Linux kernel did not validate the relationship between the minimum fragment length and the maximum packet size, which allowed local users to gain privileges or cause a denial of service (heap-based buffer overflow) by leveraging the CAP_NET_ADMIN capability (bnc#1008831). - CVE-2016-9555: The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel lacks chunk-length checking for the first chunk, which

Topics%20covered

Topics Covered

security advisory privilege escalation DoS kernel patch critical update SUSE

References

#1008831 #1011685 #1012754

Cross- CVE-2016-8632 CVE-2016-8655 CVE-2016-9555

Affected Products:

SUSE Linux Enterprise Workstation Extension 12-SP2

SUSE Linux Enterprise Software Development Kit 12-SP2

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2

SUSE Linux Enterprise Server 12-SP2

SUSE Linux Enterprise Live Patching 12

SUSE Linux Enterprise High Availability 12-SP2

SUSE Linux Enterprise Desktop 12-SP2

https://www.suse.com/security/cve/CVE-2016-8632.html

https://www.suse.com/security/cve/CVE-2016-8655.html

https://www.suse.com/security/cve/CVE-2016-9555.html

https://bugzilla.suse.com/1008831

https://bugzilla.suse.com/1011685

https://bugzilla.suse.com/1012754

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2016:3049-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation DoS kernel patch critical update SUSE

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