CVE-2022-25479
CVE-2022-25479 is a medium-severity vulnerability in Realtek Rtsper with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-30149
- Weakness: CWE-401
- Affected product: Realtek Rtsper
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2022-25479?
- 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.
- How severe is CVE-2022-25479?
- CVE-2022-25479 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-25479 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-25479?
- CVE-2022-25479 primarily affects Realtek Rtsper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-25479?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-25479 have an EU (EUVD) identifier?
- Yes. CVE-2022-25479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-30149.
- When was CVE-2022-25479 published?
- CVE-2022-25479 was published on 2024-07-02 and last updated on 2026-07-05.
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
- http://realtek.com
Affected products (2)
- cpe:2.3:a:realtek:rtsper:*:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:rtsuer:*:*:*:*:*:*:*:*
More vulnerabilities in Realtek Rtsper
- CVE-2022-25480 — High (CVSS 7.8): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…
- CVE-2022-25478 — High (CVSS 7.8): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…
- CVE-2022-25477 — Medium (CVSS 5.5): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…
All CVEs affecting Realtek Rtsper →
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