VulnerabilityModified
CVE-2021-0330
In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking.
HIGH 7.8EPSS 0.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-170732441
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.26% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2021-02-01Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2021-02-01Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.