Linux Kernel up to 5.0.4 hci_ldisc.c hci_uart_register_dev use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
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 140765, 140890, 141092 and 141232.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.0.5
Patch: github.com
Timeline
09/04/2019 🔍09/04/2019 🔍
09/05/2019 🔍
12/11/2023 🔍
Sources
Vendor: kernel.orgAdvisory: 155890
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-15917 (🔍)
See also: 🔍
Entry
Created: 09/05/2019 09:21Updated: 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: 🔍
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