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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1030451
SecurityTracker URL:  http://securitytracker.com/id/1030451
CVE Reference:   CVE-2014-3153   (Links to External Site)
Date:  Jun 19 2014
Impact:   Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain elevated privileges on the target system.

A local user can can exploit a flaw in the requeuing of Priority Inheritance (PI) to PI futexes to gain elevated privileges on the target system.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a source code fix, available at:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9c243a5a6de0be8e584c604d353412584b592f8
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b3eaa9fc5cd0a4d74b18f6b8dc617aeaf1873270
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=13fbca4c6ecd96ec1a1cfa2e4f2ce191fe928a5e
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a217887a7b658e2650c3feff22756ab80c7339

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 19 2014 (Red Hat Issues Fix) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Jun 25 2014 (Red Hat Issues Fix) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Jun 27 2014 (Red Hat Issues Fix) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 6.2.
Jul 1 2014 (Red Hat Issues Fix for Red Hat Enterprise Virtualization) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Virtualization.
Jul 17 2014 (Red Hat Issues Fix) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 6.4.
Jul 23 2014 (Red Hat Issues Fix) Linux Kernel PI Futex Requeuing Bug Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise MRG for Red Hat Enterprise Linux 6.



 Source Message Contents



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