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Amazon Linux Local Check: ALAS-2014-317
Information
Severity
Severity
High
Family
Family
Amazon Linux Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.1
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:N/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 sctp_sf_do_5_1D_ce function in net/sctp/sm_statefuns.c in the Linux kernel through 3.13.6 does not validate certain auth_enable and auth_capable fields before making an sctp_sf_authenticate call, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an SCTP handshake with a modified INIT chunk and a crafted AUTH chunk before a COOKIE_ECHO chunk.
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.