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Race Condition Affecting kernel-devel package, versions <0:3.10.0-514.10.2.el7

Severity

 Recommended
0.0
high
0
10

Based on CentOS security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELDEVEL-2077364
  • published 26 Jul 2021
  • disclosed 6 Dec 2016
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Introduced: 6 Dec 2016

CVE-2016-8655 Open this link in a new tab
CWE-362 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-devel to version 0:3.10.0-514.10.2.el7 or higher.

NVD Description

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

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.

References

CVSS Scores

version 3.1
Expand this section

NVD

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