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Amazon Linux: Security Advisory (ALAS-2015-489)
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
2 years ago
Summary
The remote host is missing an update announced via the referenced Security Advisory.
Insight
Insight
A flaw was found in the way the Linux kernel's XFS file system handled replacing of remote attributes under certain conditions. A local user with access to XFS file system mount could potentially use this flaw to escalate their privileges on the system.
Solution
Solution
Run yum clean all followed by yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.