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Patch  oval:com.redhat.rhsa:def:20180152
RHSA-2018:0152: kernel-rt security and bug fix update (Important)  

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* A flaw was found in the Linux kernel's key management system where it was possible for an attacker to escalate privileges or crash the machine. If a user key gets negatively instantiated, an error code is cached in the payload area. A negatively instantiated key may be then be positively instantiated by updating it with valid data. However, the ->update key type method must be aware that the error code may be there. (CVE-2015-8539, Important)
* It was found that fanout_add() in 'net/packet/af_packet.c' in the Linux kernel, before version 4.13.6, allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free bug. (CVE-2017-15649, Important)
* A vulnerability was found in the Linux kernel where the keyctl_set_reqkey_keyring() function leaks the thread keyring. This allows an unprivileged local user to exhaust kernel memory and thus cause a DoS. (CVE-2017-7472, Moderate)
Red Hat would like to thank Dmitry Vyukov of Google engineering for reporting CVE-2015-8539.
Bug Fix(es):
* The kernel-rt packages have been upgraded to 3.10.0-693.15.1 source tree, which provides a number of bug fixes over the previous version. (BZ#1519506)
Create Date: 2018-01-25 Last Update Date: 2018-01-25

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:20070304026. 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-rt-trace-kvm is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527020. Please see help for possible reasons
IF : kernel-rt-trace-kvm is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152019. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-trace-devel is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527018. Please see help for possible reasons
IF : kernel-rt-trace-devel is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152017. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-trace is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527016. Please see help for possible reasons
IF : kernel-rt-trace is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152015. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-kvm is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527014. Please see help for possible reasons
IF : kernel-rt-kvm is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152013. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-doc is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527012. Please see help for possible reasons
IF : kernel-rt-doc is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152011. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-devel is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527010. Please see help for possible reasons
IF : kernel-rt-devel is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152009. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-debug-kvm is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527008. Please see help for possible reasons
IF : kernel-rt-debug-kvm is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152007. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-debug-devel is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527006. Please see help for possible reasons
IF : kernel-rt-debug-devel is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152005. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt-debug is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527004. Please see help for possible reasons
IF : kernel-rt-debug is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152003. Please see help for possible reasons
IF : All of the following are true
IF : kernel-rt is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhba:tst:20203527002. Please see help for possible reasons
IF : kernel-rt is earlier than 0:3.10.0-693.17.1.rt56.636.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152001. Please see help for possible reasons
IF : Any one of the following are true
IF : kernel-rt earlier than 0:3.10.0-693.17.1.rt56.636.el7 is currently running
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180151031. Please see help for possible reasons
IF : kernel-rt earlier than 0:3.10.0-693.17.1.rt56.636.el7 is set to boot up on next boot
WARNING! Unknown test oval:com.redhat.rhsa:tst:20180152022. Please see help for possible reasons

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