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CVE-2022-25477

MEDIUM
5.5
CVSS Score
Published: July 2, 2024 at 12:00 AM UTC
Updated: July 9, 2026 at 01:17 AM UTC
2 products affected across 1 vendorRtsuerRtsper

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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 leaks driver logs that contain addresses of kernel mode objects, weakening KASLR.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rtsper· Realtek
95%
v < 10.0.22000.21355
Affected range stops below 10.0.22000.21355, so it looks safe — our inference, not a vendor statement
Rtsuer· Realtek
95%
v < 10.0.22000.31274
Affected range stops below 10.0.22000.31274, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Source: [email protected]
http://realtek.com
Third Party Advisory
Source: [email protected]
https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
Vendor Advisory
Source: [email protected]
https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
Source: [email protected]
https://zwclose.github.io/2024/10/14/rtsper1.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-532

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