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Predictable from Observable State Affecting kernel-doc package, versions <0:3.10.0-862.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    0.04% (1st percentile)

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  • Snyk ID SNYK-RHEL7-KERNELDOC-4778777
  • published 26 Jul 2021
  • disclosed 6 Apr 2016
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Introduced: 6 Apr 2016

CVE-2016-3672 Open this link in a new tab
CWE-341 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-doc to version 0:3.10.0-862.el7 or higher.
This issue was patched in RHSA-2018:1062.

NVD Description

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

The arch_pick_mmap_layout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it easier for local users to defeat the intended restrictions on the ADDR_NO_RANDOMIZE flag, and bypass the ASLR protection mechanism for a setuid or setgid program, by disabling stack-consumption resource limits.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

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