CVE-2021-39657 — MEDIUM (4.4)

Vulnerability Description

In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. 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-194696049References: Upstream kernel

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

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-125

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-2021-39657?

CVE-2021-39657 is a vulnerability with a CVSS score of 4.4 (MEDIUM). In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges ne...

How severe is CVE-2021-39657?

CVE-2021-39657 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39657?

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