Buffer overflow in Google Android
CVE-2020-0235
In crus_sp_shared_ioctl we first copy 4 bytes from userdata into "size" variable, and then use that variable as the size parameter for "copy_from_user", ending up overwriting memory following "crus_sp_hdr". "crus_sp_hdr" is a static variable, of type "struct crus_sp_ioctl_header".Product: AndroidVersions: Android kernelAndroid ID: A-135129430
Vulnerability class: Buffer Overflow
EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- N/a Android — versions Android kernel
Weakness classification (CWE)
References
- security@android.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-0235?
- CVE-2020-0235 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-06-16.
- How severe is CVE-2020-0235?
- Critical severity. CVSS v3 base score is 9.8 out of 10.