CVE-2021-4218

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-4218
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-4218 Third Party Advisory
https://bugs.centos.org/view.php?id=18395 Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2048359 Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4218 Third Party Advisory
https://bugs.centos.org/view.php?id=18395 Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2048359 Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:37

Type Values Removed Values Added
References () https://access.redhat.com/security/cve/CVE-2021-4218 - Third Party Advisory () https://access.redhat.com/security/cve/CVE-2021-4218 - Third Party Advisory
References () https://bugs.centos.org/view.php?id=18395 - Exploit, Third Party Advisory () https://bugs.centos.org/view.php?id=18395 - Exploit, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2048359 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2048359 - Issue Tracking, Third Party Advisory

30 Aug 2022, 18:35

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
References (MISC) https://bugs.centos.org/view.php?id=18395 - (MISC) https://bugs.centos.org/view.php?id=18395 - Exploit, Third Party Advisory
References (MISC) https://access.redhat.com/security/cve/CVE-2021-4218 - (MISC) https://access.redhat.com/security/cve/CVE-2021-4218 - Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2048359 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2048359 - Issue Tracking, Third Party Advisory
CWE CWE-665
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

24 Aug 2022, 16:24

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-24 16:15

Updated : 2024-11-21 06:37

NVD link : CVE-2021-4218

Mitre link : CVE-2021-4218

CVE.ORG link : CVE-2021-4218

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-665

Improper Initialization