Integer overflow in Google Android
CVE-2023-21241
In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Integer Overflow
EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Google Android — versions 12, 11.0, 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (Patch)
- security@android.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21241?
- CVE-2023-21241 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2023-07-13.
- How severe is CVE-2023-21241?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-21241 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.