Buffer overflow in Realtek Rtsper
CVE-2022-25480
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 writing to kernel memory beyond the SystemBuffer of the IRP.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
- www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Repo… (Vendor Advisory)
- gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a (Third Party Advisory)
- zwclose.github.io/2024/10/14/rtsper1.html
Frequently asked questions
- What is CVE-2022-25480?
- CVE-2022-25480 is a high-severity vulnerability in Realtek Rtsper, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-07-02.
- How severe is CVE-2022-25480?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-25480 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.