Linux Kernel up to 5.2.9 USB Device rsi_91x_usb.c double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$5k-$25k0.00

A vulnerability has been found in Linux Kernel up to 5.2.9 (Operating System) and classified as critical. This vulnerability affects some unknown processing of the file drivers/net/wireless/rsi/rsi_91x_usb.c of the component USB Device Handler. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

drivers/net/wireless/rsi/rsi_91x_usb.c in the Linux kernel through 5.2.9 has a Double Free via crafted USB device traffic (which may be remote via usbip or usbredir).

The weakness was disclosed 08/23/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability was named CVE-2019-15504 since 08/23/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/01/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries 138837, 138838, 138839 and 138853 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2019 🔍
08/23/2019 +0 days 🔍
08/23/2019 +0 days 🔍
12/01/2023 +1561 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: K33554143
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15504 (🔍)
See also: 🔍

Entryinfo

Created: 08/23/2019 16:03
Updated: 12/01/2023 12:39
Changes: 08/23/2019 16:03 (57), 08/04/2020 09:08 (2), 12/01/2023 12:32 (3), 12/01/2023 12:39 (1)
Complete: 🔍

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