CVE-2022-49139

Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of an existing LE connection, LE link type and a status that triggers the second case of the packet processing a NULL pointer dereference happens, as conn->link is NULL.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a patch
https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d patch
https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b patch
https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b patch
https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3 patch

Frequently Asked Questions

What is the severity of CVE-2022-49139?
CVE-2022-49139 has been scored as a medium severity vulnerability.
How to fix CVE-2022-49139?
To fix CVE-2022-49139, 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-2022-49139 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-49139 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-2022-49139?
CVE-2022-49139 affects Linux Linux, Linux Linux.
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