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CVE-2021-3416

nvd nist
Published: Mar 18, 2021Modified: 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 potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.

Affected (8)

Products: Qemu: Qemu · Fedoraproject: Fedora · Redhat: Enterprise Linux · +1 more
Show all products
1 product
Qemu
1 product
Fedora
1 product
Enterprise Linux
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Up to 5.2.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 33
Configuration C
4 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Version 6.0
Version 7.0
Version 8.0
Version 8.0
Configuration D
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Version 10.0
Version 9.0

References (12)

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

Timeline

No history available yet.