Patch  oval:com.redhat.rhsa:def:20151139
RHSA-2015:1139: kernel-rt security, bug fix, and enhancement update (Important)  

The kernel-rt packages contain the Linux kernel, the core of any Linux operating system.
* It was found that the Linux kernel's implementation of vectored pipe read and write functionality did not take into account the I/O vectors that were already processed when retrying after a failed atomic access operation, potentially resulting in memory corruption due to an I/O vector array overrun. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. (CVE-2015-1805, Important)
* A race condition flaw was found in the way the Linux kernel keys management subsystem performed key garbage collection. A local attacker could attempt accessing a key while it was being garbage collected, which would cause the system to crash. (CVE-2014-9529, Moderate)
* A flaw was found in the way the Linux kernel's 32-bit emulation implementation handled forking or closing of a task with an 'int80' entry. A local user could potentially use this flaw to escalate their privileges on the system. (CVE-2015-2830, Low)
* It was found that the Linux kernel's ISO file system implementation did not correctly limit the traversal of Rock Ridge extension Continuation Entries (CE). An attacker with physical access to the system could use this flaw to trigger an infinite loop in the kernel, resulting in a denial of service. (CVE-2014-9420, Low)
* An information leak flaw was found in the way the Linux kernel's ISO9660 file system implementation accessed data on an ISO9660 image with RockRidge Extension Reference (ER) records. An attacker with physical access to the system could use this flaw to disclose up to 255 bytes of kernel memory. (CVE-2014-9584, Low)
* A flaw was found in the way the nft_flush_table() function of the Linux kernel's netfilter tables implementation flushed rules that were referencing deleted chains. A local user who has the CAP_NET_ADMIN capability could use this flaw to crash the system. (CVE-2015-1573, Low)
* An integer overflow flaw was found in the way the Linux kernel randomized the stack for processes on certain 64-bit architecture systems, such as x86-64, causing the stack entropy to be reduced by four. (CVE-2015-1593, Low)
Red Hat would like to thank Carl Henrik Lunde for reporting CVE-2014-9420 and CVE-2014-9584. The security impact of CVE-2015-1805 was discovered by Red Hat.
The kernel-rt packages have been upgraded to version 3.10.0-229.7.2, which provides a number of bug fixes and enhancements over the previous version, including:
* storvsc: get rid of overly verbose warning messages * storvsc: force discovery of LUNs that may have been removed * storvsc: in responce to a scan event, scan the hos * storvsc: NULL pointer dereference fix * futex: Mention key referencing differences between shared and private futexes * futex: Ensure get_futex_key_refs() always implies a barrier * kernel module: set nx before marking module MODULE_STATE_COMING * kernel module: Clean up ro/nx after early module load failures * btrfs: make xattr replace operations atomic * megaraid_sas: revert: Add release date and update driver version * radeon: fix kernel segfault in hwmonitor
(BZ#1223955)
Bug fix:
* There is an XFS optimization that depended on a spinlock to disable preemption using the preempt_disable() function. When CONFIG_PREEMPT_RT is enabled on realtime kernels, spinlocks do not disable preemption while held, so the XFS critical section was not protected from preemption. Systems on the Realtime kernel-rt could lock up in this XFS optimization when a task that locked all the counters was then preempted by a realtime task, causing all callers of that lock to block indefinitely. This update disables the optimization when building a kernel with CONFIG_PREEMPT_RT_FULL enabled. (BZ#1223955)
All kernel-rt users are advised to upgrade to these updated packages, which correct these issues and add these enhancements. The system must be rebooted for this update to take effect.
Create Date: 2015-05-20 Last Update Date: 2015-06-23

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 : All of the following are true
IF : Any one of the following are true
IF : All of the following are true
IF : kernel-rt-trace-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-trace-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:20150727007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-rt-trace-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727008 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt-trace is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-trace 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:20150727006 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-rt-trace is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727005 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt-doc is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-virt 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:20150727011 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-rt-doc is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-doc is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727013 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-virt-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727012 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : kernel-rt-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-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:20150727008 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt-debug-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-virt is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727011 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : kernel-rt-debug-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-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:20150727010 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt-debug is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt-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:20150727009 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-rt-debug is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-trace-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727007 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-rt is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1
Linux : RPM Test :  kernel-rt-debug-devel is earlier than 0:3.10.0-229.7.2.rt56.141.6.el7_1 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20150727010 (Object depth limit may be exceeded) !!!
RPM Version less than 0:3.10.0-229.7.2.rt56.141.6.el7_1 (datatype=evr_string)
linux : rpminfo_state 
IF : kernel-rt is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-rt 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:20150727005 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : Any one of the following are true
IF : Red Hat Enterprise Linux 7 ComputeNode is installed
Linux : RPM Test :  Red Hat Enterprise Linux 7 ComputeNode is installed 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842004 (Object depth limit may be exceeded) !!!
version pattern match ^7[^\d]
linux : rpminfo_state 
IF : Red Hat Enterprise Linux 7 Client is installed
Linux : RPM Test :  Red Hat Enterprise Linux 7 Client is installed 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842001 (Object depth limit may be exceeded) !!!
version pattern match ^7[^\d]
linux : rpminfo_state 
IF : Red Hat Enterprise Linux 7 Workstation is installed
Linux : RPM Test :  Red Hat Enterprise Linux 7 Workstation is installed 
At least one of the objects listed below must exist on the system (Existence check)
Unknown object oval:com.redhat.rhsa:obj:20100842003 (Object depth limit may be exceeded) !!!
version pattern match ^7[^\d]
linux : rpminfo_state 
IF : Red Hat Enterprise Linux 7 Server is installed
Linux : RPM Test :  Red Hat Enterprise Linux 7 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 ^7[^\d]
linux : rpminfo_state 

Quick Help

evr_string datatype
Represents epoch, version, and release number as a single version string
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Data Types
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Regular Expression Patterns
Some object or state definitions are defined as regular expression patterns, you should interpret the regexp pattern while evaluating them.

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