Vulnerability Details : CVE-2023-3772

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
Published 2023-07-25 16:15:12
Updated 2024-09-13 19:15:15
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2023-3772

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-3772

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.4
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
0.8
3.6
 NIST
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
 Red Hat, Inc.

CWE ids for CVE-2023-3772

  • The product dereferences a pointer that it expects to be valid but is NULL.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2023-3772

Products affected by CVE-2023-3772

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