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External Initialization of Trusted Variables or Data Stores Affecting kernel-rt package, versions <0:3.10.0-229.11.1.rt56.141.11.el7_1

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    1.55% (88th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRT-4594180
  • published 26 Jul 2021
  • disclosed 24 Mar 2015
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Introduced: 24 Mar 2015

CVE-2015-2922 Open this link in a new tab
CWE-454 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt to version 0:3.10.0-229.11.1.rt56.141.11.el7_1 or higher.
This issue was patched in RHSA-2015:1565.

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 RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

References

CVSS Scores

version 3.1
Expand this section

NVD

4.3 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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Red Hat

4.3 medium