Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-25673

A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 22 products from linux, from fedoraproject, from netapp and 19 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-05-26T11:15:08.580

Last Modified

2024-11-21T05:18:25.623

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Secondary
CWE-400
Type: Secondary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.3.18	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	fedoraproject	fedora	34	Yes
Application	netapp	active_iq_unified_manager	-	Yes
Application	netapp	cloud_backup	-	Yes
Operating System	netapp	solidfire_baseboard_management_controller_firmware	-	Yes
Hardware	netapp	solidfire_baseboard_management_controller	-	No
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No
Operating System	netapp	h300s_firmware	-	Yes
Hardware	netapp	h300s	-	No
Operating System	netapp	h500s_firmware	-	Yes
Hardware	netapp	h500s	-	No
Operating System	netapp	h700s_firmware	-	Yes
Hardware	netapp	h700s	-	No
Operating System	netapp	h300e_firmware	-	Yes
Hardware	netapp	h300e	-	No
Operating System	netapp	h500e_firmware	-	Yes
Hardware	netapp	h500e	-	No
Operating System	netapp	h700e_firmware	-	Yes
Hardware	netapp	h700e	-	No
Operating System	netapp	h410s_firmware	-	Yes
Hardware	netapp	h410s	-	No

References

http://www.openwall.com/lists/oss-security/2020/11/01/1 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ ([email protected])
https://security.netapp.com/advisory/ntap-20210702-0008/ Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2020/11/01/1 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2020/11/01/1 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210702-0008/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2020/11/01/1 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.