What is CVE-2022-20239?

CVE-2022-20239 is a critical-severity vulnerability in Google Android, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 9.8/10. Published 2022-08-10.

How severe is CVE-2022-20239?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Privilege escalation in Google Android

CVE-2022-20239

remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to…

EPSS: 0.002 (16.1th 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 SoC

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere
CWE-269 — Improper Privilege Management

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20239?: CVE-2022-20239 is a critical-severity vulnerability in Google Android, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 9.8/10. Published 2022-08-10.
How severe is CVE-2022-20239?: Critical severity. CVSS v3 base score is 9.8 out of 10.