Patch  oval:com.redhat.rhsa:def:20170323
RHSA-2017:0323: kernel security update (Important)  

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
* It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)
Important: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. Please see Red Hat Bugzilla (BZ#1425177) for additional information.
Red Hat would like to thank Andrey Konovalov (Google) for reporting CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).
Create Date: 2017-02-24 Last Update Date: 2017-02-24

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 : All of the following are true
IF : kernel-kdump is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314010. Please see help for possible reasons
IF : kernel-kdump is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323023. Please see help for possible reasons
IF : All of the following are true
IF : kernel-kdump-devel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323021. 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:20080314012. Please see help for possible reasons
IF : All of the following are true
IF : kernel-debug-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314004. Please see help for possible reasons
IF : kernel-debug-devel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323019. Please see help for possible reasons
IF : All of the following are true
IF : kernel-PAE is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314024. Please see help for possible reasons
IF : kernel-PAE is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323017. 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:20080314014. Please see help for possible reasons
IF : kernel-debug is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323015. Please see help for possible reasons
IF : All of the following are true
IF : kernel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314008. Please see help for possible reasons
IF : kernel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323013. Please see help for possible reasons
IF : All of the following are true
IF : kernel-xen-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314020. Please see help for possible reasons
IF : kernel-xen-devel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323011. Please see help for possible reasons
IF : All of the following are true
IF : kernel-doc is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314002. Please see help for possible reasons
IF : kernel-doc is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323001. Please see help for possible reasons
IF : All of the following are true
IF : kernel-headers is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314006. Please see help for possible reasons
IF : kernel-headers is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323003. Please see help for possible reasons
IF : All of the following are true
IF : kernel-PAE-devel is signed with Red Hat redhatrelease key
WARNING! Unknown test oval:com.redhat.rhba:tst:20080314022. Please see help for possible reasons
IF : kernel-PAE-devel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323005. 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:20080314018. Please see help for possible reasons
IF : kernel-xen is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323009. 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:20080314016. Please see help for possible reasons
IF : kernel-devel is earlier than 0:2.6.18-419.el5
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323007. Please see help for possible reasons
IF : Any one of the following are true
IF : kernel earlier than 0:2.6.18-419.el5 is set to boot up on next boot
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323026. Please see help for possible reasons
IF : kernel earlier than 0:2.6.18-419.el5 is currently running
WARNING! Unknown test oval:com.redhat.rhsa:tst:20170323025. Please see help for possible reasons

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