CVE-2022-49139
Linux Kernel Bluetooth Null Pointer Dereference
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.
INFO
Published Date :
Feb. 26, 2025, 7 a.m.
Last Modified :
March 13, 2025, 9:30 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a version that includes the fix.
- Apply security patches provided by the Linux distribution vendor.
- Reboot the system after applying the kernel update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-49139.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49139 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-49139
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-49139 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49139 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (excluding) 5.4.231 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.92 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.17.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.167 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d Added Reference https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a Added Reference https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3 Added Reference https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b Added Reference https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b