Linux Kernel up to 5.0.4 hci_ldisc.c hci_uart_register_dev use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.0.4. It has been classified as critical. Affected by this vulnerability is the function hci_uart_register_dev of the file drivers/bluetooth/hci_ldisc.c. The manipulation leads to use after free. This vulnerability is documented as CVE-2019-15917. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.0.4 (Operating System) and classified as critical. This issue affects the function hci_uart_register_dev of the file drivers/bluetooth/hci_ldisc.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hci_uart_register_dev() fails in hci_uart_set_proto() in drivers/bluetooth/hci_ldisc.c.

The weakness was released 09/04/2019 (Website). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2019-15917 since 09/04/2019. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.0.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-140765, VDB-140890, VDB-141092 and VDB-141232. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.0.5
Patch: github.com

Timelineinfo

09/04/2019 🔍
09/04/2019 +0 days 🔍
09/05/2019 +1 days 🔍
12/11/2023 +1558 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 155890
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15917 (🔍)
GCVE (CVE): GCVE-0-2019-15917
GCVE (VulDB): GCVE-100-141251
See also: 🔍

Entryinfo

Created: 09/05/2019 09:21
Updated: 12/11/2023 16:23
Changes: 09/05/2019 09:21 (59), 08/12/2020 15:34 (2), 12/11/2023 16:16 (5), 12/11/2023 16:23 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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