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Use After Free Affecting kernel-rt package, versions <0:3.10.0-514.6.1.rt56.429.el7

Severity

 Recommended
0.0
high
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    3.9% (93rd percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRT-2076567
  • published 26 Jul 2021
  • disclosed 14 Mar 2016
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Introduced: 14 Mar 2016

CVE-2016-7117 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt to version 0:3.10.0-514.6.1.rt56.429.el7 or higher.

NVD Description

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

Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.

References

CVSS Scores

version 3.1
Expand this section

NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High