Double Free Affecting perf package, versions <0:4.18.0-348.el8
Threat Intelligence
EPSS
0.04% (11th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-PERF-2139038
- published 26 Jul 2021
- disclosed 25 May 2021
Introduced: 25 May 2021
CVE-2021-3564 Open this link in a new tabHow to fix?
Upgrade Centos:8
perf
to version 0:4.18.0-348.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf
package and not the perf
package as distributed by Centos
.
See How to fix?
for Centos:8
relevant fixed versions and status.
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.
References
- https://access.redhat.com/security/cve/CVE-2021-3564
- https://bugzilla.redhat.com/show_bug.cgi?id=1964139
- https://www.openwall.com/lists/oss-security/2021/05/25/1
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- http://www.openwall.com/lists/oss-security/2021/05/25/1
- http://www.openwall.com/lists/oss-security/2021/06/01/2
- https://access.redhat.com/errata/RHSA-2021:4356
CVSS Scores
version 3.1