Linux Kernel up to 5.0.2 net/hsr/hsr_device.c hsr_dev_finalize release of resource

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.0.2. This vulnerability affects the function hsr_dev_finalize of the file net/hsr/hsr_device.c. The manipulation leads to release of resource. This vulnerability was named CVE-2019-16995. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.0.2 (Operating System). This affects the function hsr_dev_finalize of the file net/hsr/hsr_device.c. The manipulation with an unknown input leads to a release of resource vulnerability. CWE is classifying the issue as CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev_finalize() in net/hsr/hsr_device.c if hsr_add_port fails to add a port, which may cause denial of service, aka CID-6caabe7f197d.

The weakness was presented 09/30/2019 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2019-16995 since 09/30/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 5.0.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.

See VDB-141680, VDB-142131, VDB-142161 and VDB-142712 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.0.3
Patch: git.kernel.org

Timelineinfo

09/30/2019 🔍
09/30/2019 +0 days 🔍
10/01/2019 +1 days 🔍
12/29/2023 +1550 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 6caabe7f197d3466d238f70915d65301f1716626
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-16995 (🔍)
GCVE (CVE): GCVE-0-2019-16995
GCVE (VulDB): GCVE-100-142713
See also: 🔍

Entryinfo

Created: 10/01/2019 08:40 AM
Updated: 12/29/2023 07:21 AM
Changes: 10/01/2019 08:40 AM (60), 09/16/2020 04:25 PM (2), 12/29/2023 07:21 AM (5)
Complete: 🔍
Cache ID: 18:B17:40

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