CVE-2021-39648 — MEDIUM (4.1)

Vulnerability Description

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

CVSS Score

4.1

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	-

Related Weaknesses (CWE)

CWE-362

References

https://source.android.com/security/bulletin/pixel/2021-12-01PatchVendor Advisory
https://source.android.com/security/bulletin/pixel/2021-12-01PatchVendor Advisory

FAQ

What is CVE-2021-39648?

CVE-2021-39648 is a vulnerability with a CVSS score of 4.1 (MEDIUM). 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 privilege...

How severe is CVE-2021-39648?

CVE-2021-39648 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39648?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.