CVE-2021-4218

2022-08-2416:15:10

CWE-665

[email protected]

web.nvd.nist.gov

cve-2021-4218

linux

kernel

flaw

denial of service

centos

rhel

nvd

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

Affected configurations

NVD

Node

linuxlinux_kernelMatch-

CPENameOperatorVersion
linux:linux_kernellinux linux kerneleq-

CPE	Name	Operator	Version
linux:linux_kernel	linux linux kernel	eq	-

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "NA"
      }
    ]
  }
]