Execution with Unnecessary Privileges Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-193.rt13.51.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGMODULESEXTRA-3698130
  • published26 Jul 2021
  • disclosed20 Sept 2019

Introduced: 20 Sep 2019

CVE-2019-17055  (opens in a new tab)
CWE-250  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-modules-extra to version 0:4.18.0-193.rt13.51.el8 or higher.
This issue was patched in RHSA-2020:1567.

NVD Description

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

base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.

CVSS Scores

version 3.1