Patch  oval:com.redhat.rhsa:def:20170933
RHSA-2017:0933: kernel security, bug fix, and enhancement update (Important)  

The kernel packages contain the Linux kernel, the core of any Linux operating system.
These updated kernel packages include several security issues and numerous bug fixes. Space precludes documenting all of these bug fixes in this advisory. To see the complete list of bug fixes, users are directed to the related Knowledge Article: https://access.redhat.com/articles/2986951.
Security Fix(es):
* A race condition flaw was found in the N_HLDC Linux kernel driver when accessing n_hdlc.tbuf list that can lead to double free. A local, unprivileged user able to set the HDLC line discipline on the tty device could use this flaw to increase their privileges on the system. (CVE-2017-2636, Important)
* A flaw was found in the Linux kernel key management subsystem in which a local attacker could crash the kernel or corrupt the stack and additional memory (denial of service) by supplying a specially crafted RSA key. This flaw panics the machine during the verification of the RSA key. (CVE-2016-8650, Moderate)
* A flaw was found in the Linux kernel's implementation of setsockopt for the SO_{SND|RCV}BUFFORCE setsockopt() system call. Users with non-namespace CAP_NET_ADMIN are able to trigger this call and create a situation in which the sockets sendbuff data size could be negative. This could adversely affect memory allocations and create situations where the system could crash or cause memory corruption. (CVE-2016-9793, Moderate)
* A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. (CVE-2017-2618, Moderate)
Red Hat would like to thank Alexander Popov for reporting CVE-2017-2636 and Ralf Spenneberg for reporting CVE-2016-8650. The CVE-2017-2618 issue was discovered by Paul Moore (Red Hat Engineering).
Create Date: 2017-04-12 Last Update Date: 2017-04-12

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions)
  • Red Hat Enterprise Linux 7

References

Criteria

The patch should be installed
IF : Any one of the following are true
IF : Red Hat Enterprise Linux must be installed
WARNING! Unknown test oval:com.redhat.rhba:tst:20070026004. Please see help for possible reasons
IF : All of the following are true
IF : Red Hat Enterprise Linux 7 is installed
WARNING! Unknown test oval:com.redhat.rhba:tst:20150364027. Please see help for possible reasons
IF : Any one of the following are true
IF : All of the following are true
IF : kernel-kdump-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  perf is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842013 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-kdump-devel is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933029. Please see help for possible reasons
IF : All of the following are true
IF : kernel-kdump is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-kdump-devel is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20070099007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-kdump is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933027. Please see help for possible reasons
IF : All of the following are true
IF : kernel-bootwrapper is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-kdump is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20070099008 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-bootwrapper is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933025. Please see help for possible reasons
IF : All of the following are true
IF : kernel-debug is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-debug-devel is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20070993007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-debug is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933023. Please see help for possible reasons
IF : All of the following are true
IF : kernel-debug-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-headers is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20070099003 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-debug-devel is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933021. Please see help for possible reasons
IF : All of the following are true
IF : kernel-tools-libs is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhsa:tst:20140678016. Please see help for possible reasons
IF : kernel-tools-libs is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933019. Please see help for possible reasons
IF : All of the following are true
IF : kernel-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-devel is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20050092003 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-devel is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933017. Please see help for possible reasons
IF : All of the following are true
IF : python-perf is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhsa:tst:20111530024. Please see help for possible reasons
IF : python-perf is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933015. Please see help for possible reasons
IF : All of the following are true
IF : kernel-headers is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-bootwrapper is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-headers is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933013. Please see help for possible reasons
IF : All of the following are true
IF : kernel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-debug is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20070993004 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933011. Please see help for possible reasons
IF : All of the following are true
IF : kernel-tools is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-tools-libs is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20140678008 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933009. Please see help for possible reasons
IF : All of the following are true
IF : perf is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20030416002 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : perf is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933007. Please see help for possible reasons
IF : All of the following are true
IF : kernel-abi-whitelists is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhsa:tst:20131645022. Please see help for possible reasons
IF : kernel-abi-whitelists is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933005. Please see help for possible reasons
IF : All of the following are true
IF : kernel-doc is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  Red Hat Enterprise Linux 6 Server is installed 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842002 (Object depth limit may be exceeded) !!!
version pattern match ^6[^\d]
linux : rpminfo_state 
IF : kernel-doc is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933003. Please see help for possible reasons
IF : All of the following are true
IF : kernel-tools-libs-devel is earlier than 0:3.10.0-514.16.1.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933001. Please see help for possible reasons
IF : kernel-tools-libs-devel is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhsa:tst:20140678022. Please see help for possible reasons
IF : Any one of the following are true
IF : kernel earlier than 0:3.10.0-514.16.1.el7 is currently running
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933031. Please see help for possible reasons
IF : kernel earlier than 0:3.10.0-514.16.1.el7 is set to boot up on next boot
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170933032. Please see help for possible reasons

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