Vulnerability in Qemu
CVE-2022-3872
An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Qemu — versions 7.1.0
- Qemu — versions Affected: up to latest v7.1.0-rc4
Weakness classification (CWE)
References
- lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html (Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20221215-0005/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3872?
- CVE-2022-3872 is a high-severity vulnerability in Qemu, classified under Off-by-one Error. CVSS score: 8.6/10. Published 2022-11-07.
- How severe is CVE-2022-3872?
- High severity. CVSS v3 base score is 8.6 out of 10.