CVE-2021-39800 — MEDIUM (5.5)

Vulnerability Description

In ion_ioctl of ion-ioctl.c, there is a possible way to leak kernel head data due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208277166References: Upstream kernel

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	-

Related Weaknesses (CWE)

CWE-416

References

https://source.android.com/security/bulletin/2022-04-01PatchVendor Advisory
https://source.android.com/security/bulletin/2022-04-01PatchVendor Advisory

FAQ

What is CVE-2021-39800?

CVE-2021-39800 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In ion_ioctl of ion-ioctl.c, there is a possible way to leak kernel head data due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. U...

How severe is CVE-2021-39800?

CVE-2021-39800 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39800?

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