CVE-2022-3872 is an off-by-one read/write vulnerability in the SDHCI device of QEMU, affecting QEMU versions. This flaw allows a malicious guest to trigger a denial of service on the host by crashing the QEMU process. Rated 8.6 HIGH on CVSS, it is network-exploitable with low attack complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.1.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | ||
7.1.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:7.1.0:-:*:*:*:*:*:* | ||
7.1.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:7.1.0:rc0:*:*:*:*:*:* | ||
7.1.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:7.1.0:rc1:*:*:*:*:*:* | ||
7.1.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:7.1.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2022-3872
Sep 10, 2024An 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.
Nov 8, 2022QEMU: sdhci: buffer data port register off-by-one read/write
Nov 7, 2022