CVE-2021-3569

Description

A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.13%
Third-Party Advisory redhat.com
Affected: n/a libtpms
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1964358 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3569?
CVE-2021-3569 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3569?
To fix CVE-2021-3569, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3569 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3569 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3569?
CVE-2021-3569 affects n/a libtpms.
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