Incorrect Permission Assignment for Critical Resource Affecting perf package, versions <0:4.18.0-305.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-RHEL8-PERF-3964910
  • published26 Jul 2021
  • disclosed13 Sept 2020

Introduced: 13 Sep 2020

CVE-2020-25284  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578.

NVD Description

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

The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.

CVSS Scores

version 3.1