Alpaquita LinuxStreamSecurity Advisory
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CVE-2021-3594

Published: August 31, 2023Last modified: August 31, 2023

Description

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_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.

Severity score breakdown

ParameterValue
Base score3.8
Attack VectorLOCAL
Attack complexityLOW
Privileges requiredLOW
User interactionNONE
ScopeCHANGED
ConfidentialityLOW
Integrity impactNONE
Availability impactNONE
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSlibslirpNot affected (4.7.0-r0)
StreamlibslirpNot affected (4.7.0-r0)

References

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