Buffer overflow in Qemu
CVE-2020-13754
hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
References
- lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2020/06/01/6 (Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200608-0007/ (Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/06/15/8 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4728 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4467-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202011-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13754?
- CVE-2020-13754 is a medium-severity vulnerability in Qemu, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2020-06-02.
- How severe is CVE-2020-13754?
- Medium severity. CVSS v3 base score is 6.7 out of 10.