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CVE-2021-4158

nvd nist
Published: Aug 24, 2022Modified: Nov 21, 2024

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6.0
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Exploitability: 1.5 / Impact: 4.0
Source: NVD

Description

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 (2)

Qemu
1 product
Qemu
Redhat
1 product
Enterprise Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Qemu
From 6.0.0 to 7.0.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Enterprise Linux
Version 9.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: secalert@redhat.com
ExploitThird Party Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.