CVE & CISA-KEV Catalog

CVE-2022-21742

MEDIUM
6.2
CVSS v3
NVD

Description

Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
rtl8152b firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8153 firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8153b firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8154 firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8154b firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8156 firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD
rtl8156b firmwareNVD
Affected:>= 10.28, < 10.50Fixed in:10.50CVE-2022-21742derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.24%probability of exploitation in 30 days
15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0195Medium6.8100%-Fix
CVE-2017-7269Critical9.8100%KEV-
CVE-2019-11043High8.799%KEV + RansomFix
CVE-2011-4862High10.095%-Fix
CVE-2007-5659High7.894%KEVFix
CVE-2022-3786High7.591%-Fix
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CVE-2022-21742 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.