CVE-2021-39648

low-risk
Published 2021-12-15

In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. 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-160822094References: Upstream kernel

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.1/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Google

References (2)

Patch https://source.android.com/security/bulletin/pixel/2021-12-01
Patch https://source.android.com/security/bulletin/pixel/2021-12-01
16
/ 100
low-risk
Severity 11/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal