CVE-2022-49139
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.26%• Percentile: 18%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.178-1 | < 5.17.3-1 | < 5.17.3-1 | < 5.17.3-1
- ubuntu•linux
all | < 5.4.0-147.164 | < 5.15.0-70.77
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.4.0-1100.108 | < 5.15.0-1034.38
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1034.38~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1100.108~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
all | < 5.4.0-1100.108+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.4.0-1106.112 | < 5.15.0-1036.43
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1036.43~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1106.112~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all | < 5.4.0-1106.112+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1062.68 | < 5.15.0-1015.17
- ubuntu•linux-fips
all | < 5.4.0-1075.84
- ubuntu•linux-gcp
all | all | < 5.4.0-1103.112 | < 5.15.0-1032.40
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1032.40~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1103.112~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
all | < 5.4.0-1103.112+fips1
- ubuntu•linux-gke
all | < 5.15.0-1031.36
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
Showing first 50 affected entries in server-rendered view.
References (9)
- https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a
- https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d
- https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b
- https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b
- https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3
- https://ubuntu.com/security/CVE-2022-49139
- https://www.cve.org/CVERecord?id=CVE-2022-49139
- https://git.kernel.org/linus/3afee2118132e93e5f6fa636dfde86201a860ab3
- https://security-tracker.debian.org/tracker/CVE-2022-49139