Code Affecting kernel-devel package, versions <0:3.10.0-229.14.1.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (27th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELDEVEL-5077074
  • published 26 Jul 2021
  • disclosed 18 Feb 2015

How to fix?

Upgrade RHEL:7 kernel-devel to version 0:3.10.0-229.14.1.el7 or higher.
This issue was patched in RHSA-2015:1778.

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

The ext4_zero_range function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service (BUG) via a crafted fallocate zero-range request.

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

5.5 medium