QEMU SDHCI Device sdhci_read_dataport/sdhci_write_dataport off-by-one

CVSS Meta Temp Score
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CTI Interest Score
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7.1$5k-$25k0.00

Summaryinfo

A vulnerability has been found in QEMU and classified as problematic. Affected is the function sdhci_read_dataport/sdhci_write_dataport of the component SDHCI Device. Performing a manipulation results in off-by-one. This vulnerability is cataloged as CVE-2022-3872. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU (Virtualization Software) (the affected version unknown). This affects the function sdhci_read_dataport/sdhci_write_dataport of the component SDHCI Device. The manipulation with an unknown input leads to a off-by-one vulnerability. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was shared 11/08/2022. The advisory is shared at lists.nongnu.org. This vulnerability is uniquely identified as CVE-2022-3872 since 11/07/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/06/2025).

The vulnerability scanner Nessus provides a plugin with the ID 232075 (Linux Distros Unpatched Vulnerability : CVE-2022-3872), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (232075). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.7
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 232075
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-3872

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/07/2022 🔍
11/08/2022 +1 days 🔍
11/08/2022 +0 days 🔍
05/06/2025 +910 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: lists.nongnu.org
Status: Not defined

CVE: CVE-2022-3872 (🔍)
GCVE (CVE): GCVE-0-2022-3872
GCVE (VulDB): GCVE-100-213069

Entryinfo

Created: 11/08/2022 06:41
Updated: 05/06/2025 10:39
Changes: 11/08/2022 06:41 (38), 12/05/2022 10:54 (12), 03/07/2025 09:10 (16), 05/06/2025 10:39 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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