Linux Kernel up to 5.2.9 USB Device flexcop-usb.c flexcop_usb_probe null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Linux Kernel up to 5.2.9. Affected by this issue is the function flexcop_usb_probe of the file drivers/media/usb/b2c2/flexcop-usb.c of the component USB Device Handler. The manipulation leads to null pointer dereference.
This vulnerability is referenced as CVE-2019-15291. It is possible to launch the attack on the physical device. No exploit is available.
Details
A vulnerability was found in Linux Kernel up to 5.2.9 (Operating System) and classified as problematic. This issue affects the function flexcop_usb_probe of the file drivers/media/usb/b2c2/flexcop-usb.c of the component USB Device Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
An issue was discovered in the Linux kernel through 5.2.9. There is a NULL pointer dereference caused by a malicious USB device in the flexcop_usb_probe function in the drivers/media/usb/b2c2/flexcop-usb.c driver.
The weakness was published 08/20/2019 (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2019-15291 since 08/20/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entries are available at VDB-138837, VDB-138838, VDB-138839 and VDB-138853. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.5
VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.6
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/20/2019 🔍08/20/2019 🔍
08/21/2019 🔍
11/27/2023 🔍
Sources
Vendor: kernel.orgAdvisory: USN-4254-1
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-15291 (🔍)
GCVE (CVE): GCVE-0-2019-15291
GCVE (VulDB): GCVE-100-140405
See also: 🔍
Entry
Created: 08/21/2019 07:19Updated: 11/27/2023 12:35
Changes: 08/21/2019 07:19 (59), 08/01/2020 13:02 (1), 11/27/2023 12:35 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
No comments yet. Languages: en.
Please log in to comment.