Security Advisory

CVE-2017-8797

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2017-07-02 17:00:00

Last updated 2024-08-05 16:48:22

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This type value is uninitialized upon encountering certain error conditions. This value is used as an array index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the whole system.

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