Patch  oval:com.redhat.rhsa:def:20170817
RHSA-2017:0817: kernel security, bug fix, and enhancement update (Moderate)  

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* It was discovered that a remote attacker could leverage the generation of IPv6 atomic fragments to trigger the use of fragmentation in an arbitrary IPv6 flow (in scenarios in which actual fragmentation of packets is not needed) and could subsequently perform any type of a fragmentation-based attack against legacy IPv6 nodes that do not implement RFC6946. (CVE-2016-10142, Moderate)
* A flaw was discovered in the way the Linux kernel dealt with paging structures. When the kernel invalidated a paging structure that was not in use locally, it could, in principle, race against another CPU that is switching to a process that uses the paging structure in question. A local user could use a thread running with a stale cached virtual->physical translation to potentially escalate their privileges if the translation in question were writable and the physical page got reused for something critical (for example, a page table). (CVE-2016-2069, Moderate)
* A race condition flaw was found in the ioctl_send_fib() function in the Linux kernel's aacraid implementation. A local attacker could use this flaw to cause a denial of service (out-of-bounds access or system crash) by changing a certain size value. (CVE-2016-6480, Moderate)
* It was found that when the gcc stack protector was enabled, reading the /proc/keys file could cause a panic in the Linux kernel due to stack corruption. This happened because an incorrect buffer size was used to hold a 64-bit timeout value rendered as weeks. (CVE-2016-7042, Moderate)
* It was found that when file permissions were modified via chmod and the user modifying them was not in the owning group or capable of CAP_FSETID, the setgid bit would be cleared. Setting a POSIX ACL via setxattr sets the file permissions as well as the new ACL, but doesn't clear the setgid bit in a similar way. This could allow a local user to gain group privileges via certain setgid applications. (CVE-2016-7097, Moderate)
* A flaw was found in the Linux networking subsystem where a local attacker with CAP_NET_ADMIN capabilities could cause an out-of-bounds memory access by creating a smaller-than-expected ICMP header and sending to its destination via sendto(). (CVE-2016-8399, Moderate)
* It was found that the blk_rq_map_user_iov() function in the Linux kernel's block device implementation did not properly restrict the type of iterator, which could allow a local attacker to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging write access to a /dev/sg device. (CVE-2016-9576, CVE-2016-10088, Moderate)
* A flaw was found in the USB-MIDI Linux kernel driver: a double-free error could be triggered for the 'umidi' object. An attacker with physical access to the system could use this flaw to escalate their privileges. (CVE-2016-2384, Low)
The CVE-2016-7042 issue was discovered by Ondrej Kozina (Red Hat) and the CVE-2016-7097 issue was discovered by Andreas Gruenbacher (Red Hat) and Jan Kara (SUSE).
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section.
Create Date: 2017-03-21 Last Update Date: 2017-03-21

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions)
  • Red Hat Enterprise Linux 6

References

Total : 21 Click here to view 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 6 is installed
WARNING! Unknown test oval:com.redhat.rhba:tst:20111656003. Please see help for possible reasons
IF : Any one of the following are true
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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817025. Please see help for possible reasons
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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817023. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817021. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817019. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817017. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817015. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817013. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817011. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817009. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817007. 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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817005. Please see help for possible reasons
IF : All of the following are true
IF : kernel-firmware is earlier than 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817003. Please see help for possible reasons
IF : kernel-firmware is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  Red Hat Enterprise Linux 6 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 ^6[^\d]
linux : rpminfo_state 
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 0:2.6.32-696.el6
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817001. Please see help for possible reasons
IF : Any one of the following are true
IF : kernel earlier than 0:2.6.32-696.el6 is currently running
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817027. Please see help for possible reasons
IF : kernel earlier than 0:2.6.32-696.el6 is set to boot up on next boot
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170817028. Please see help for possible reasons

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