Linux Kernel up to 4.20.1 sound/usb/mixer.c build_audio_procunit out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability was found in Linux Kernel up to 4.20.1 (Operating System). It has been classified as critical. This affects the function build_audio_procunit of the file sound/usb/mixer.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel before 4.20.2. An out-of-bounds access exists in the function build_audio_procunit in the file sound/usb/mixer.c.

The weakness was released 09/04/2019 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2019-15927 since 09/04/2019. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 4.20.2 eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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 4.20.2
Patch: git.kernel.org

Timelineinfo

09/04/2019 🔍
09/04/2019 +0 days 🔍
09/05/2019 +1 days 🔍
12/13/2023 +1560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lists.opensuse.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15927 (🔍)

Entryinfo

Created: 09/05/2019 09:24 AM
Updated: 12/13/2023 08:03 AM
Changes: 09/05/2019 09:24 AM (59), 08/12/2020 04:33 PM (2), 12/13/2023 08:03 AM (4)
Complete: 🔍
Cache ID: 44:810:40

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