VulnerabilityModified
CVE-2022-3872
A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
HIGH 8.6EPSS 0.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-193
- Affected
- qemu/qemu
- Source
- secalert@redhat.com
References
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221215-0005/Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221215-0005/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.