A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.
Published 2022-08-24 16:15:10
Updated 2022-08-30 18:35:37
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2021-4218

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4218

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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
NIST

CWE ids for CVE-2021-4218

  • The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)
  • The product accesses or uses a pointer that has not been initialized.
    Assigned by: secalert@redhat.com (Secondary)

References for CVE-2021-4218

Products affected by CVE-2021-4218

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!