CVE-2021-4158

2022-08-2416:15:09

CWE-476

[email protected]

web.nvd.nist.gov

176

cve-2021-4158

null pointer dereference

qemu

acpi

denial of service

nvd

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.8%

JSON

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Affected configurations

Vulners

NVD

Node

qemuqemuRange≤6.0.0

VendorProductVersionCPE
qemuqemu*cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
qemu	qemu	*	cpe:2.3:a:qemu:qemu::::::::

CNA Affected

[
  {
    "product": "QEMU",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Affects v6.0.0 and above."
      }
    ]
  }
]