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CVE-2021-3593

nvd nist
Published: Jun 15, 2021Modified: Nov 21, 2024

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3.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Exploitability: 2.0 / Impact: 1.4
Source: NVD

Description

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

Affected (6)

Show all products
Libslirp
1 product
Enterprise Linux
1 product
Fedora
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Before 4.6.0
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Version 8.0
Version 8.0
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Version 33
Version 34
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 9.0

References (14)

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

Timeline

No history available yet.