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Improper Input Validation Affecting kernel-abi-whitelists package, versions <0:3.10.0-327.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    4.93% (94th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELABIWHITELISTS-2054890
  • published 26 Jul 2021
  • disclosed 23 Feb 2015
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Introduced: 23 Feb 2015

CVE-2015-8215 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-abi-whitelists to version 0:3.10.0-327.el7 or higher.

NVD Description

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

net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel before 4.0 does not validate attempted changes to the MTU value, which allows context-dependent attackers to cause a denial of service (packet loss) via a value that is (1) smaller than the minimum compliant value or (2) larger than the MTU of an interface, as demonstrated by a Router Advertisement (RA) message that is not validated by a daemon, a different vulnerability than CVE-2015-0272. NOTE: the scope of CVE-2015-0272 is limited to the NetworkManager product.

References

CVSS Scores

version 3.1
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NVD

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
Expand this section

Red Hat

5.3 medium