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NULL Pointer Dereference Affecting kernel-rt-devel package, versions <0:3.10.0-693.rt56.617.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEVEL-2088202
  • published 26 Jul 2021
  • disclosed 17 Dec 2015
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Introduced: 17 Dec 2015

CVE-2015-8970 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-devel to version 0:3.10.0-693.rt56.617.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-devel package and not the kernel-rt-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c.