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Double Free Affecting glibc-minimal-langpack package, versions <2:2.28-164.0.1.ksplice1.el8

Severity

 Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-ORACLE8-GLIBCMINIMALLANGPACK-2596146
  • published 10 Apr 2022
  • disclosed 24 Feb 2021
Report a new vulnerability Found a mistake?

Introduced: 24 Feb 2021

CVE-2021-27645 Open this link in a new tab
CWE-415 Open this link in a new tab

How to fix?

Upgrade Oracle:8 glibc-minimal-langpack to version 2:2.28-164.0.1.ksplice1.el8 or higher.
This issue was patched in ELSA-2021-9560.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-minimal-langpack package and not the glibc-minimal-langpack package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

2.5 low