Is CVE-2022-25479 in the CISA KEV catalog?

No. CVE-2022-25479 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-25479?

CVE-2022-25479 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-25479?

CVE-2022-25479 has an EPSS score of 0.63% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-25479?

Upgrade rtsper to 10.0.22000.21355 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-25479

MEDIUM

5.5

CVSS v3

NVD

Description

Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer driver for USB Card Reader (RtsUer.sys) before 10.0.22000.31274 allows for the leakage of kernel memory from both the stack and the heap.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

rtsperNVD

Affected:< 10.0.22000.21355Fixed in:10.0.22000.21355CVE-2022-25479derived from NVD

rtsuerNVD

Affected:< 10.0.22000.31274Fixed in:10.0.22000.31274CVE-2022-25479derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.63%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Vendor Advisory1

realtek.com

Third-Party Advisory1

gist.github.com

Other references2

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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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 2026-07-05.