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Mirrored Regions with Different Values Affecting kernel-zfcpdump-modules package, versions <0:4.18.0-193.1.2.el8_2

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELZFCPDUMPMODULES-3755191
  • published 26 Jul 2021
  • disclosed 28 Apr 2020
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Introduced: 28 Apr 2020

CVE-2020-11884 Open this link in a new tab
CWE-1251 Open this link in a new tab

How to fix?

Upgrade RHEL:8 kernel-zfcpdump-modules to version 0:4.18.0-193.1.2.el8_2 or higher.
This issue was patched in RHSA-2020:2102.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules package and not the kernel-zfcpdump-modules package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

7 high