Resource Exhaustion Affecting kernel-rt-kvm package, versions <0:4.18.0-240.rt7.54.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.34% (73rd percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTKVM-3847934
  • published26 Jul 2021
  • disclosed21 Nov 2019

Introduced: 21 Nov 2019

CVE-2019-19068  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-kvm to version 0:4.18.0-240.rt7.54.el8 or higher.
This issue was patched in RHSA-2020:4609.

NVD Description

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

A memory leak in the rtl8xxxu_submit_int_urb() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-a2cdd07488e6.

CVSS Scores

version 3.1