|Bugzilla:||1024854: CVE-2013-4483 kernel: ipc: ipc_rcu_putref refcount races|
A flaw was found in the way the ipc_rcu_putref() function in the Linux kernel's IPC implementation handled reference counter decrementing. A local, unprivileged user could use this flaw to trigger an Out of Memory (OOM) condition and, potentially, crash the system.
This issue does affect Linux kernel packages as shipped with Red Hat Enterprise Linux 6. Future kernel updates for respective releases may address this issue.
CVSS v2 metrics
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Red Hat security errata
|MRG Grid for RHEL 6 Server v.2 (kernel-rt)||RHSA-2014:0439||April 28, 2014|
|Red Hat Enterprise Linux Server EUS (v. 6.5) (kernel)||RHSA-2015:0284||March 03, 2015|
|Red Hat Enterprise Linux version 5 (kernel)||RHSA-2014:0285||March 12, 2014|
|Red Hat Enterprise Linux version 6 (kernel)||RHSA-2014:1392||October 13, 2014|
Red Hat would like to thank Vladimir Davydov (Parallels) for reporting this issue.
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For clarification or corrections please contact the Red Hat Security Response Team.