Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2022-3872
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:7.1.0:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-3872
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-3872
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.6
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
3.9
|
4.0
|
NIST |
CWE ids for CVE-2022-3872
-
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.Assigned by: secalert@redhat.com (Primary)
References for CVE-2022-3872
-
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html
[PATCH] hw/sd/sdhci: reset data count in sdhci_buff_access_is_sequentialMailing List;Patch;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20221215-0005/
CVE-2022-3872 QEMU Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
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