Vulnerability · Published Jan 28, 2021 · Assigned by redhat
CVE-2020-35517
High 8.2
In plain English
A high-severity privilege mismanagement in qemu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.2High
Exploit odds (30 days)0.5%top 54.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | hivex-devel | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libguestfs-winsupport | 8.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libguestfs-winsupport | 8.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libnbd | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libnbd-devel | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libnbd-devel | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-admin | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-bash-completion | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-client | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-config-network | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-config-nwfilter | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-interface | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-network | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-nodedev | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-nwfilter | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-secret | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-core | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-disk | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-iscsi | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-iscsi-direct | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-logical | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-mpath | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-rbd | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-daemon-driver-storage-scsi | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-devel | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-docs | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-libs | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | libvirt-nss | 6.0.0-28.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | nbdfuse | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | nbdfuse | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-bash-completion | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-basic-filters | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-basic-plugins | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-curl-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-devel | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-example-plugins | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-gzip-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-linuxdisk-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-python-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-server | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-ssh-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-vddk-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | nbdkit-xz-filter | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-hivex-devel | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-libguestfs | 1:1.40.2-25.module_el8.3.0+2048+e7a0a3ea.alma | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-libguestfs-devel | 1:1.40.2-25.module_el8.3.0+2048+e7a0a3ea.alma | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | ocaml-libnbd-devel | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | perl-Sys-Virt | 6.0.0-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | perl-Sys-Virt | 6.0.0-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | perl-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | python3-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | python3-libnbd | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | python3-libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | python3-libvirt | 6.0.0-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | python3-libvirt | 6.0.0-1.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | ruby-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | seabios | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | seabios-bin | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | seavgabios-bin | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | sgabios | 1:0.20170427git-3.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | sgabios | 1:0.20170427git-3.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:0711 |
| AlmaLinux:8 | sgabios-bin | 1:0.20170427git-3.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | sgabios-bin | 1:0.20170427git-3.module_el8.6.0+2880+7d9e3703 | ALSA-2021:0711 |
| AlmaLinux:8 | supermin | 5.1.19-10.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| AlmaLinux:8 | supermin-devel | 5.1.19-10.module_el8.5.0+2608+72063365 | ALSA-2021:0711 |
| Alpine:v3.20 | qemu | 5.2.0-r0 | ALPINE-CVE-2020-35517 |
| Alpine:v3.21 | qemu | 5.2.0-r0 | ALPINE-CVE-2020-35517 |
| Alpine:v3.22 | qemu | 5.2.0-r0 | ALPINE-CVE-2020-35517 |
| Alpine:v3.23 | qemu | 5.2.0-r0 | ALPINE-CVE-2020-35517 |
| Alpine:v3.24 | qemu | 5.2.0-r0 | ALPINE-CVE-2020-35517 |
| Debian:12 | qemu | 1:5.2+dfsg-5 | DEBIAN-CVE-2020-35517 |
| Debian:13 | qemu | 1:5.2+dfsg-5 | DEBIAN-CVE-2020-35517 |
| Debian:14 | qemu | 1:5.2+dfsg-5 | DEBIAN-CVE-2020-35517 |
| Rocky Linux:8 | hivex | 0:1.3.18-20.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | libguestfs-winsupport | 0:8.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.7.0+1084+97b81f61 | RLSA-2021:0711 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.6.0+847+b490afdd | RLSA-2021:0711 |
| Rocky Linux:8 | libnbd | 0:1.2.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.7.0+1084+97b81f61 | RLSA-2021:0711 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.6.0+847+b490afdd | RLSA-2021:0711 |
| Rocky Linux:8 | libvirt-python | 0:6.0.0-1.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | nbdkit | 0:1.16.2-4.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.6.0+847+b490afdd | RLSA-2021:0711 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.7.0+1084+97b81f61 | RLSA-2021:0711 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | perl-Sys-Virt | 0:6.0.0-1.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | seabios | 0:1.13.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.6.0+847+b490afdd | RLSA-2021:0711 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.7.0+1084+97b81f61 | RLSA-2021:0711 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
| Rocky Linux:8 | supermin | 0:5.1.19-10.module+el8.4.0+534+4680a14e | RLSA-2021:0711 |
Affected products (as reported)
Weakness: CWE-269
References
- https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1915823 x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2021/01/22/1 x_refsource_MISC
- https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210312-0002/ x_refsource_CONFIRM
- GLSA-202208-27 vendor-advisory, x_refsource_GENTOO