Linux Kernel up to 5.1.5 cpia2_v4l.c cpia2_exit use after free

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.1.5 (Operating System). Affected by this issue is the function cpia2_exit of the file drivers/media/usb/cpia2/cpia2_v4l.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 availability. CVE summarizes:

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.

The weakness was published 12/25/2019. This vulnerability is handled as CVE-2019-19966 since 12/25/2019. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 5.1.6 eliminates this vulnerability.

Similar entry is available at 147709.

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: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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 5.1.6
Patch: git.kernel.org

Timelineinfo

12/25/2019 🔍
12/25/2019 +0 days 🔍
12/25/2019 +0 days 🔍
03/17/2024 +1544 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DLA 2068-1
Status: Not defined

CVE: CVE-2019-19966 (🔍)
See also: 🔍

Entryinfo

Created: 12/25/2019 10:03
Updated: 03/17/2024 07:27
Changes: 12/25/2019 10:03 (40), 12/25/2019 10:08 (18), 03/17/2024 07:27 (6)
Complete: 🔍

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