CVE-2020-35517
Summary
| CVE | CVE-2020-35517 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-01-28 20:15:00 UTC |
| Updated | 2023-02-12 23:41:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-269
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| virtiofsd: avoid /proc/self/fd tempdir · qemu/qemu@ebf1019 · GitHub | MISC | github.com | Release Notes |
| CVE-2020-35517 QEMU Vulnerability in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | |
| virtio-fs - shared file system for virtual machines | MISC | virtio-fs.gitlab.io | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| QEMU: Multiple Vulnerabilities (GLSA 202208-27) — Gentoo security | GENTOO | security.gentoo.org | |
| oss-security - CVE-2020-35517 QEMU: virtiofsd: potential privileged host device access from guest | MISC | www.openwall.com | Exploit, Mailing List, Patch, Third Party Advisory |
| 1915823 – (CVE-2020-35517) CVE-2020-35517 QEMU: virtiofsd: potential privileged host device access from guest | MISC | bugzilla.redhat.com | Issue Tracking, Vendor Advisory |
| [PATCH] virtiofsd: prevent opening of special files (CVE-2020-35517) | MISC | lists.gnu.org | Exploit, Mailing List, Patch, Third Party Advisory |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 198432 Ubuntu Security Notification for QEMU vulnerabilities (USN-5010-1)
- 239107 Red Hat Update for virt:rhel and virt-devel:rhel (RHSA-2021:0711)
- 377152 Alibaba Cloud Linux Security Update for virt:rhel and virt-devel:rhel (ALINUX3-SA-2021:0027)
- 502353 Alpine Linux Security Update for qemu
- 710604 Gentoo Linux QEMU Multiple Vulnerabilities (GLSA 202208-27)
- 900063 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
- 940173 AlmaLinux Security Update for virt:rhel and virt-devel:rhel (ALSA-2021:0711)
- 960678 Rocky Linux Security Update for virt:rhel and virt-devel:rhel (RLSA-2021:0711)