Linux Kernel up to 5.2.8 USB Device drivers/usb/misc/yurex.c use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability has been found in Linux Kernel up to 5.2.8 (Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the file drivers/usb/misc/yurex.c of the component USB Device Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel before 5.2.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/yurex.c driver, aka CID-fc05481b2fca.

The weakness was presented 12/03/2019 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2019-19531 since 12/03/2019. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.2.9 eliminates this vulnerability.

See 146615, 146616, 146617 and 146618 for similar entries.

Productinfo

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Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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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
ATT&CK: Unknown

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 5.2.9
Patch: git.kernel.org

Timelineinfo

12/03/2019 🔍
12/03/2019 +0 days 🔍
12/04/2019 +1 days 🔍
03/07/2024 +1555 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DLA 2068-1
Status: Not defined

CVE: CVE-2019-19531 (🔍)
See also: 🔍

Entryinfo

Created: 12/04/2019 09:59
Updated: 03/07/2024 07:23
Changes: 12/04/2019 09:59 (42), 12/04/2019 10:04 (18), 03/07/2024 07:23 (5)
Complete: 🔍

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