Patch  oval:com.redhat.rhsa:def:20162124
RHSA-2016:2124: kernel security and bug fix update (Important)  

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system. (CVE-2016-5195, Important)
* It was found that stacking a file system over procfs in the Linux kernel could lead to a kernel stack overflow due to deep nesting, as demonstrated by mounting ecryptfs over procfs and creating a recursion by mapping /proc/environ. An unprivileged, local user could potentially use this flaw to escalate their privileges on the system. (CVE-2016-1583, Important)
Red Hat would like to thank Phil Oester for reporting CVE-2016-5195.
Bug Fix(es):
* In some cases, a kernel crash or file system corruption occurred when running journal mode 'ordered'. The kernel crash was caused by a null pointer dereference due to a race condition between two journal functions. The file system corruption occurred due to a race condition between the do_get_write_access() function and buffer writeout. This update fixes both race conditions. As a result, neither the kernel crash, nor the file system corruption now occur. (BZ#1067708)
* Prior to this update, some Global File System 2 (GFS2) files had incorrect time stamp values due to two problems with handling time stamps of such files. The first problem concerned the atime time stamp, which ended up with an arbitrary value ahead of the actual value, when a GFS2 file was accessed. The second problem was related to the mtime and ctime time stamp updates, which got lost when a GFS2 file was written to from one node and read from or written to from another node. With this update, a set of patches has been applied that fix these problems. As a result, the time stamps of GFS2 files are now handled correctly. (BZ#1374861)
Create Date: 2016-10-28 Last Update Date: 2016-10-28

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions)
  • Red Hat Enterprise Linux 5

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 5 is installed
WARNING! Unknown test oval:com.redhat.rhba:tst:20070331005. Please see help for possible reasons
IF : Any one of the following are true
IF : kernel earlier than 0:2.6.18-416.el5 is currently running
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124025. Please see help for possible reasons
IF : kernel earlier than 0:2.6.18-416.el5 is set to boot up on next boot
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124026. Please see help for possible reasons
IF : Any one of the following are true
IF : All of the following are true
IF : kernel-xen-devel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124023. Please see help for possible reasons
IF : kernel-xen-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314024. Please see help for possible reasons
IF : All of the following are true
IF : kernel-xen is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314022. Please see help for possible reasons
IF : kernel-xen is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124021. Please see help for possible reasons
IF : All of the following are true
IF : kernel-kdump-devel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124019. Please see help for possible reasons
IF : kernel-kdump-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314020. Please see help for possible reasons
IF : All of the following are true
IF : kernel-kdump is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314018. Please see help for possible reasons
IF : kernel-kdump is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124017. Please see help for possible reasons
IF : All of the following are true
IF : kernel-headers is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124015. Please see help for possible reasons
IF : kernel-headers is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314016. Please see help for possible reasons
IF : All of the following are true
IF : kernel-doc is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124013. Please see help for possible reasons
IF : kernel-doc is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314014. Please see help for possible reasons
IF : All of the following are true
IF : kernel-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314012. Please see help for possible reasons
IF : kernel-devel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124011. Please see help for possible reasons
IF : All of the following are true
IF : kernel-debug-devel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124009. Please see help for possible reasons
IF : kernel-debug-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314010. Please see help for possible reasons
IF : All of the following are true
IF : kernel-debug is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314008. Please see help for possible reasons
IF : kernel-debug is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124007. Please see help for possible reasons
IF : All of the following are true
IF : kernel-PAE-devel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124005. Please see help for possible reasons
IF : kernel-PAE-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314006. Please see help for possible reasons
IF : All of the following are true
IF : kernel is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124001. Please see help for possible reasons
IF : kernel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314002. Please see help for possible reasons
IF : All of the following are true
IF : kernel-PAE is earlier than 0:2.6.18-416.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20162124003. Please see help for possible reasons
IF : kernel-PAE is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314004. Please see help for possible reasons

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