CVE-2019-16995 : In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev

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.

Published 2019-09-30 13:15:11

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2019-16995

Linux » Linux Kernel
Versions from including (>=) 3.17 and before (<) 3.18.137
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.4 and before (<) 4.4.177
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.20 and before (<) 4.20.17
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.9 and before (<) 4.9.164
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.0 and before (<) 5.0.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.19 and before (<) 4.19.30
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.14 and before (<) 4.14.107
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.1 Update RC1
cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.0
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions
Netapp » Steelstore Cloud Integrated Storage » Version: N/A
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
Matching versions
Netapp » Service Processor » Version: N/A
cpe:2.3:a:netapp:service_processor:-:*:*:*:*:*:*:*
Matching versions
Netapp » Hci Management Node » Version: N/A
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
Matching versions
Netapp » Solidfire » Version: N/A
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
Matching versions
Netapp » Data Availability Services » Version: N/A
cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:*
Matching versions
Netapp » Aff A700s Firmware » Version: N/A
cpe:2.3:o:netapp:aff_a700s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » Aff A700s » Version: N/A
Netapp » H610s Firmware » Version: N/A
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H610s » Version: N/A
Netapp » H410c Firmware » Version: N/A
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H410c » Version: N/A
Netapp » H300s Firmware » Version: N/A
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H300s » Version: N/A
Netapp » H500s Firmware » Version: N/A
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H500s » Version: N/A
Netapp » H700s Firmware » Version: N/A
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H700s » Version: N/A
Netapp » H300e Firmware » Version: N/A
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H300e » Version: N/A
Netapp » H500e Firmware » Version: N/A
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H500e » Version: N/A
Netapp » H700e Firmware » Version: N/A
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H700e » Version: N/A
Netapp » H410s Firmware » Version: N/A
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Netapp » H410s » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2019-16995

EPSS FAQ

2.00%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 82 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-16995

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-16995

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-16995

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6caabe7f197d3466d238f70915d65301f1716626

kernel/git/torvalds/linux.git - Linux kernel source tree
Patch;Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html

[security-announce] openSUSE-SU-2019:2503-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20191031-0005/

October 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html

[security-announce] openSUSE-SU-2019:2444-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3

Exploit;Release Notes;Vendor Advisory
https://github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626

net: hsr: fix memory leak in hsr_dev_finalize() · torvalds/linux@6caabe7 · GitHub
Patch;Third Party Advisory

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Vulnerability Details : CVE-2019-16995

Products affected by CVE-2019-16995

Exploit prediction scoring system (EPSS) score for CVE-2019-16995

CVSS scores for CVE-2019-16995

CWE ids for CVE-2019-16995

References for CVE-2019-16995