Buffer overflow in Realtek Hda Driver
CVE-2021-32537
Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Realtek Hda Driver — versions 8155
- Realtek Hda_driver
Weakness classification (CWE)
Public proof-of-concept exploits
References
- twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)
- twcert@cert.org.tw (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-32537?
- CVE-2021-32537 is a medium-severity vulnerability in Realtek Hda Driver, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2021-07-07.
- How severe is CVE-2021-32537?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-32537 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.