CVE-2021-3658

Description

bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a device is powered down while discoverable, it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory redhat.com Third-Party Advisory kernel.org Third-Party Advisory github.com Third-Party Advisory gnome.org Third-Party Advisory netapp.com
Affected: n/a bluez
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89 issue tracking third party advisory patch
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=b497b5942a8beb8f89ca1c359c54ad67ec843055 third party advisory patch
https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055 third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1984728 issue tracking third party advisory patch
https://security.netapp.com/advisory/ntap-20220407-0002/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3658?
CVE-2021-3658 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3658?
To fix CVE-2021-3658, 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-2021-3658 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3658 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-2021-3658?
CVE-2021-3658 affects n/a bluez.
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