by Kastro
Paper/Archive/CVE-2022-20385

CVE-2022-20385

google_android — a function called 'nla_parse', do not check the len of para, it will check nla_type (which can be controlled by userspace) with 'maxtype'…

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
37
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 36.9.369 × 207.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

a function called 'nla_parse', do not check the len of para, it will check nla_type (which can be controlled by userspace) with 'maxtype' (in this case, it is GSCAN_MAX), then it access polciy array 'policy[type]', which OOB access happens.Product: AndroidVersions: Android SoCAndroid ID: A-238379819

Affected

ProductAffectedFixed inSource
AndroidAndroid SoC–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsource.android.com/security/bulletin/2022-09-01