CVE-2021-3700

A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.4 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
VendorProductVersion
spice-spaceusbredir
𝑥
< 0.11.0
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
usbredir
bullseye
no-dsa
buster
no-dsa
bookworm
0.13.0-2
fixed
sid
0.14.0-1
fixed
trixie
0.14.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
usbredir
kinetic
not-affected
jammy
not-affected
impish
ignored
hirsute
ignored
focal
Fixed 0.8.0-1ubuntu0.1
released
bionic
Fixed 0.7.1-1ubuntu0.18.04.1
released
xenial
Fixed 0.7.1-1ubuntu0.16.04.1~esm1
released
trusty
Fixed 0.6-2ubuntu1.1+esm1
released
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1992830
https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba
https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html
https://bugzilla.redhat.com/show_bug.cgi?id=1992830
https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba
https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html