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

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.11% (46th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELZFCPDUMPDEVEL-3555123
  • published 26 Jul 2021
  • disclosed 3 Nov 2018
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Introduced: 3 Nov 2018

CVE-2018-19854 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.

An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).