Memory Leak Affecting systemd-devel package, versions <0:219-62.el7_6.3


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-SYSTEMDDEVEL-4862049
  • published 26 Jul 2021
  • disclosed 14 Jan 2019

How to fix?

Upgrade RHEL:7 systemd-devel to version 0:219-62.el7_6.3 or higher.
This issue was patched in RHSA-2019:0201.

NVD Description

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

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the _CMDLINE= entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

CVSS Scores

version 3.1
Expand this section

NVD

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