5.5

CVE-2022-49139

Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.4.231
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.167
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.92
Linux ≫ Linux Kernel Version >= 5.16 < 5.17.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.16
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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