CVE-2020-35517

EUVD-2020-23184
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
Affected Products (NVD)
VendorProductVersion
qemuqemu
5.0.0 ≤
𝑥
≤ 5.2.50
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bookworm
1:7.2+dfsg-7+deb12u7
fixed
bullseye
1:5.2+dfsg-11+deb11u3
fixed
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
buster
not-affected
sid
1:9.1.1+ds-2
fixed
stretch
not-affected
trixie
1:9.1.1+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qemu
bionic
not-affected
focal
not-affected
groovy
Fixed 1:5.0-5ubuntu9.9
released
hirsute
Fixed 1:5.2+dfsg-6ubuntu2
released
impish
Fixed 1:5.2+dfsg-6ubuntu2
released
jammy
Fixed 1:5.2+dfsg-6ubuntu2
released
trusty
not-affected
xenial
not-affected
qemu-kvm
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1915823
https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c
https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
https://security.gentoo.org/glsa/202208-27
https://security.netapp.com/advisory/ntap-20210312-0002/
https://www.openwall.com/lists/oss-security/2021/01/22/1
https://bugzilla.redhat.com/show_bug.cgi?id=1915823
https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c
https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
https://security.gentoo.org/glsa/202208-27
https://security.netapp.com/advisory/ntap-20210312-0002/
https://www.openwall.com/lists/oss-security/2021/01/22/1