What’s Vulnerable › Vulnerabilities

CVE-2022-25479

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-02 · updated 2026-07-09
• Weakness: CWE-401

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.

Affected products

• Realtek Rtsper: before 10.0.22000.21355 — fixed in 10.0.22000.21355
• Realtek Rtsuer: before 10.0.22000.31274 — fixed in 10.0.22000.31274

How to fix

Upgrade to a fixed version: Realtek Rtsper 10.0.22000.21355; Realtek Rtsuer 10.0.22000.31274. Check the vendor advisory for mitigations.

References

• https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
• https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
• https://zwclose.github.io/2024/10/14/rtsper1.html
• https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
• https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf

Get alerted when CVE-2022-25479 or the next vulnerability affects your stack