<p>Upgrade <code>RHEL:8</code> <code>perf</code> to version 0:4.18.0-240.el8 or higher.<br>This issue was patched in <code>RHSA-2020:4431</code>.</p>

Memory Leak Affecting perf package, versions <0:4.18.0-240.el8

Threat Intelligence

0.05% (19^th percentile)

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Snyk ID SNYK-RHEL8-PERF-3794865
published 26 Jul 2021
disclosed 14 Apr 2020

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Introduced: 14 Apr 2020

CVE-2020-12770 Open this link in a new tab CWE-401 Open this link in a new tab CWE-416 Open this link in a new tab

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431.

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.

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

High
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Memory Leak Affecting perf package, versions <0:4.18.0-240.el8

Severity

Based on Red Hat Enterprise Linux security rating