Integer overflow in Google Android
CVE-2021-1047
In valid_ipc_dram_addr of cm_access_control.c, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-197966306References: N/A
Vulnerability class: Integer Overflow
EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android
- N/a Android — versions Android kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1047?
- CVE-2021-1047 is a medium-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 4.4/10. Published 2021-12-15.
- How severe is CVE-2021-1047?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2021-1047 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.