What is CVE-2022-42531?

CVE-2022-42531 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-12-16.

How severe is CVE-2022-42531?

High severity. CVSS v3 base score is 7.8 out of 10.

Resource exhaustion in Google Android

CVE-2022-42531

In mmu_map_for_fw of gs_ldfw_load.c, there is a possible mitigation bypass due to Permissive Memory Allocation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-231500967References: N/A

Published 2022-12-16 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.002 (8.8th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

source.android.com/security/bulletin/pixel/2022-12-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-42531?: CVE-2022-42531 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-12-16.
How severe is CVE-2022-42531?: High severity. CVSS v3 base score is 7.8 out of 10.