Patch  oval:com.redhat.rhsa:def:20140786
RHSA-2014:0786: 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 futex subsystem handled the requeuing of certain Priority Inheritance (PI) futexes. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2014-3153, Important)
* A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. (CVE-2014-2851, Important)
* Use-after-free and information leak flaws were found in the way the Linux kernel's floppy driver processed the FDRAWCMD IOCTL command. A local user with write access to /dev/fdX could use these flaws to escalate their privileges on the system. (CVE-2014-1737, CVE-2014-1738, Important)
* It was found that the aio_read_events_ring() function of the Linux kernel's Asynchronous I/O (AIO) subsystem did not properly sanitize the AIO ring head received from user space. A local, unprivileged user could use this flaw to disclose random parts of the (physical) memory belonging to the kernel and/or other processes. (CVE-2014-0206, Moderate)
* An out-of-bounds memory access flaw was found in the Netlink Attribute extension of the Berkeley Packet Filter (BPF) interpreter functionality in the Linux kernel's networking implementation. A local, unprivileged user could use this flaw to crash the system or leak kernel memory to user space via a specially crafted socket filter. (CVE-2014-3144, CVE-2014-3145, Moderate)
* An information leak flaw was found in the way the skb_zerocopy() function copied socket buffers (skb) that are backed by user-space buffers (for example vhost-net and Xen netback), potentially allowing an attacker to read data from those buffers. (CVE-2014-2568, Low)
Red Hat would like to thank Kees Cook of Google for reporting CVE-2014-3153 and Matthew Daley for reporting CVE-2014-1737 and CVE-2014-1738. Google acknowledges Pinkie Pie as the original reporter of CVE-2014-3153. The CVE-2014-0206 issue was discovered by Mateusz Guzik of Red Hat.
This update also fixes the following bugs:
* Due to incorrect calculation of Tx statistics in the qlcninc driver, running the "ethtool -S ethX" command could trigger memory corruption. As a consequence, running the sosreport tool, that uses this command, resulted in a kernel panic. The problem has been fixed by correcting the said statistics calculation. (BZ#1104972)
* When an attempt to create a file on the GFS2 file system failed due to a file system quota violation, the relevant VFS inode was not completely uninitialized. This could result in a list corruption error. This update resolves this problem by correctly uninitializing the VFS inode in this situation. (BZ#1097407)
* Due to a race condition in the kernel, the getcwd() system call could return "/" instead of the correct full path name when querying a path name of a file or directory. Paths returned in the "/proc" file system could also be incorrect. This problem was causing instability of various applications. The aforementioned race condition has been fixed and getcwd() now always returns the correct paths. (BZ#1099048)
In addition, this update adds the following enhancements:
* The kernel mutex code has been improved. The changes include improved queuing of the MCS spin locks, the MCS code optimization, introduction of the cancellable MCS spin locks, and improved handling of mutexes without wait locks. (BZ#1103631, BZ#1103629)
* The handling of the Virtual Memory Area (VMA) cache and huge page faults has been improved. (BZ#1103630)
All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add these enhancements. The system must be rebooted for this update to take effect.
Create Date: 2014-06-24 Last Update Date: 2014-06-24

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions)
  • Red Hat Enterprise Linux 7

References

Total : 17 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 : perf is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  perf is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-bootwrapper is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-bootwrapper is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-bootwrapper
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-bootwrapper
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-debug
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-debug is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-debug is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-debug
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-tools-libs is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-tools-libs is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-tools-libs
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-tools-libs
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : All of the following are true
IF : python-perf is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  python-perf is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
python-perf
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : python-perf is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  python-perf is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
python-perf
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-doc
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-doc is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-doc is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-doc
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-debug-devel is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-debug-devel is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-debug-devel
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-debug-devel
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-headers
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-headers is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-headers is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-headers
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-kdump
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-kdump is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-kdump is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-kdump
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
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)
Linux : RPM Package 
kernel-tools-libs-devel
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools-libs-devel is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-tools-libs-devel is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-tools-libs-devel
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-kdump-devel is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-kdump-devel is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-kdump-devel
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-kdump-devel
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-devel is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-devel is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-devel
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-devel
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
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)
Linux : RPM Package 
kernel-tools
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-tools is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-tools is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-tools
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
IF : All of the following are true
IF : kernel-abi-whitelists is signed with Red Hat redhatrelease2 key
Linux : RPM Test :  kernel-abi-whitelists is signed with Red Hat redhatrelease2 key 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-abi-whitelists
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel-abi-whitelists is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel-abi-whitelists is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
kernel-abi-whitelists
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
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)
signature_keyid equals 199e2f91fd431d51
linux : rpminfo_state 
IF : kernel is earlier than 0:3.10.0-123.4.2.el7
Linux : RPM Test :  kernel is earlier than 0:3.10.0-123.4.2.el7 
At least one of the objects listed below must exist on the system (Existence check)
RPM Version less than 0:3.10.0-123.4.2.el7 (datatype=evr_string)
linux : rpminfo_state 
IF : Any one of the following are true
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)
Linux : RPM Package 
redhat-release-client
version pattern match ^7[^\d]
linux : rpminfo_state 
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)
Linux : RPM Package 
redhat-release-computenode
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)
Linux : RPM Package 
redhat-release-workstation
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)
Linux : RPM Package 
redhat-release-server
version pattern match ^7[^\d]
linux : rpminfo_state 

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evr_string datatype
Represents epoch, version, and release number as a single version string
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