Vulnerability Monitor

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CVE-2022-36879


An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.


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 43 products from linux, from debian, from netapp and 40 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, 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

2022-07-27T04:15:10.740

Last Modified

2025-05-05T16:15:17.580

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 5.18.14 Yes
Operating System debian debian_linux 10.0 Yes
Operating System debian debian_linux 11.0 Yes
Operating System netapp a700s_firmware - Yes
Hardware netapp a700s - No
Application netapp active_iq_unified_manager - Yes
Application netapp e-series_santricity_os_controller ≤ 11.50.2 Yes
Operating System netapp hci_bootstrap_os - Yes
Operating System netapp aff_8300_firmware - Yes
Hardware netapp aff_8300 - No
Operating System netapp fas_8300_firmware - Yes
Hardware netapp fas_8300 - No
Operating System netapp aff_8700_firmware - Yes
Hardware netapp aff_8700 - No
Operating System netapp fas_8700_firmware - Yes
Hardware netapp fas_8700 - No
Operating System netapp aff_a400_firmware - Yes
Hardware netapp aff_a400 - No
Operating System netapp fas_a400_firmware - Yes
Hardware netapp fas_a400 - No
Operating System netapp aff_a250_firmware - Yes
Hardware netapp aff_a250 - No
Operating System netapp fas_a250_firmware - Yes
Hardware netapp fas_a250 - No
Operating System netapp fas_500f_firmware - Yes
Hardware netapp fas_500f - No
Operating System netapp aff_500f_firmware - Yes
Hardware netapp aff_500f - 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 h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Operating System netapp h610c_firmware - Yes
Hardware netapp h610c - No
Operating System netapp h610s_firmware - Yes
Hardware netapp h610s - No
Operating System netapp h615c_firmware - Yes
Hardware netapp h615c - No

References

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.