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Amazon Linux Local Check: ALAS-2014-363
Information
Severity
Severity
High
Family
Family
Amazon Linux Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.2
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Amazon Linux Local Security Checks
Insight
Insight
The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates unsafe waiter modification.
Solution
Solution
Run yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.