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Information Exposure Affecting kernel-zfcpdump-devel package, versions <0:4.18.0-147.el8

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELZFCPDUMPDEVEL-3506616
  • published 26 Jul 2021
  • disclosed 6 Jan 2019
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Introduced: 6 Jan 2019

CVE-2019-5489 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade RHEL:8 kernel-zfcpdump-devel to version 0:4.18.0-147.el8 or higher.
This issue was patched in RHSA-2019:3517.

NVD Description

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

The mincore() implementation in mm/mincore.c in the Linux kernel through 4.19.13 allowed local attackers to observe page cache access patterns of other processes on the same system, potentially allowing sniffing of secret information. (Fixing this affects the output of the fincore program.) Limited remote exploitation may be possible, as demonstrated by latency differences in accessing public files from an Apache HTTP Server.

References