Improper Cleanup on Thrown Exception Affecting kernel-zfcpdump-modules-extra package, versions <0:4.18.0-147.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELZFCPDUMPMODULESEXTRA-3531641
  • published26 Jul 2021
  • disclosed19 Mar 2019

Introduced: 19 Mar 2019

CVE-2019-20811  (opens in a new tab)
CWE-460  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-zfcpdump-modules-extra 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-modules-extra package and not the kernel-zfcpdump-modules-extra 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 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

CVSS Scores

version 3.1