Improper Initialization Affecting perf package, versions <0:4.18.0-240.1.1.el8_3
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3884134
- published 26 Jul 2021
- disclosed 3 Nov 2020
Introduced: 3 Nov 2020
CVE-2020-25662 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-240.1.1.el8_3 or higher.
This issue was patched in RHSA-2020:4685.
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.
A Red Hat only CVE-2020-12352 regression issue was found in the way the Linux kernel's Bluetooth stack implementation handled the initialization of stack memory when handling certain AMP packets. This flaw allows a remote attacker in an adjacent range to leak small portions of stack memory on the system by sending specially crafted AMP packets. The highest threat from this vulnerability is to data confidentiality.
References
- https://access.redhat.com/security/cve/CVE-2020-12352
- https://access.redhat.com/security/vulnerabilities/BleedingTooth
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25662
- https://access.redhat.com/security/cve/CVE-2020-25662
- https://access.redhat.com/errata/RHSA-2020:4685
- https://bugzilla.redhat.com/show_bug.cgi?id=1891484