Patch  oval:com.redhat.rhsa:def:20152152
RHSA-2015:2152: kernel security, bug fix, and enhancement update (Important)  

The kernel packages contain the Linux kernel, the core of any Linux operating system.
* A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. (CVE-2015-2925, Important)
* A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system. (CVE-2015-7613, Important)
* It was found that reporting emulation failures to user space could lead to either a local (CVE-2014-7842) or a L2->L1 (CVE-2010-5313) denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to access an I/O port. (CVE-2010-5313, CVE-2014-7842, Moderate)
* A flaw was found in the way the Linux kernel's KVM subsystem handled non-canonical addresses when emulating instructions that change the RIP (for example, branches or calls). A guest user with access to an I/O or MMIO region could use this flaw to crash the guest. (CVE-2014-3647, Moderate)
* It was found that the Linux kernel memory resource controller's (memcg) handling of OOM (out of memory) conditions could lead to deadlocks. An attacker could use this flaw to lock up the system. (CVE-2014-8171, Moderate)
* A race condition flaw was found between the chown and execve system calls. A local, unprivileged user could potentially use this flaw to escalate their privileges on the system. (CVE-2015-3339, Moderate)
* A flaw was discovered in the way the Linux kernel's TTY subsystem handled the tty shutdown phase. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-4170, Moderate)
* A NULL pointer dereference flaw was found in the SCTP implementation. A local user could use this flaw to cause a denial of service on the system by triggering a kernel panic when creating multiple sockets in parallel while the system did not have the SCTP module loaded. (CVE-2015-5283, Moderate)
* A flaw was found in the way the Linux kernel's perf subsystem retrieved userlevel stack traces on PowerPC systems. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-6526, Moderate)
* A flaw was found in the way the Linux kernel's Crypto subsystem handled automatic loading of kernel modules. A local user could use this flaw to load any installed kernel module, and thus increase the attack surface of the running kernel. (CVE-2013-7421, CVE-2014-9644, Low)
* An information leak flaw was found in the way the Linux kernel changed certain segment registers and thread-local storage (TLS) during a context switch. A local, unprivileged user could use this flaw to leak the user space TLS base address of an arbitrary process. (CVE-2014-9419, Low)
* It was found that the Linux kernel KVM subsystem's sysenter instruction emulation was not sufficient. An unprivileged guest user could use this flaw to escalate their privileges by tricking the hypervisor to emulate a SYSENTER instruction in 16-bit mode, if the guest OS did not initialize the SYSENTER model-specific registers (MSRs). Note: Certified guest operating systems for Red Hat Enterprise Linux with KVM do initialize the SYSENTER MSRs and are thus not vulnerable to this issue when running on a KVM hypervisor. (CVE-2015-0239, Low)
* A flaw was found in the way the Linux kernel handled the securelevel functionality after performing a kexec operation. A local attacker could use this flaw to bypass the security mechanism of the securelevel/secureboot combination. (CVE-2015-7837, Low)
Create Date: 2015-11-19 Last Update Date: 2015-11-19

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions)
  • Red Hat Enterprise Linux 7 (please do not use for >= RHEL-7.5)

References

Total : 39 Click here to view 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 : python-perf is signed with Red Hat redhatrelease2 key
WARNING! Unknown test oval:com.redhat.rhsa:tst:20111530020. Please see help for possible reasons
IF : python-perf is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152017. Please see help for possible reasons
IF : All of the following are true
IF : perf is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152019. Please see help for possible reasons
IF : perf 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 : All of the following are true
IF : kernel-tools-libs-devel is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-tools-libs-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:20140678012 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools-libs-devel is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152029. Please see help for possible reasons
IF : All of the following are true
IF : kernel-tools-libs is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-tools-libs 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:20140678008 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools-libs is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152033. Please see help for possible reasons
IF : All of the following are true
IF : kernel-tools is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-tools 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:20140678007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152027. 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 :  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-devel is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152011. Please see help for possible reasons
IF : All of the following are true
IF : kernel-kdump 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-kdump is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152025. 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-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-headers is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152021. 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 :  kernel-doc 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:20030416007 (Object depth limit may be exceeded) !!!
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-doc is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152007. 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 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152015. 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-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-devel is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152023. 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 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-debug is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152013. 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-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-bootwrapper is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152031. 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:20131645028. Please see help for possible reasons
IF : kernel-abi-whitelists is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152005. 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 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 : kernel is earlier than 0:3.10.0-327.el7
WARNING! Unknown test oval:com.redhat.rhsa:tst:20152152009. Please see help for possible reasons
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 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 
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 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 

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