CVE-2020-27066 — MEDIUM (6.7)

Vulnerability Description

In xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168043318

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	-

Related Weaknesses (CWE)

CWE-667 CWE-416

References

https://source.android.com/security/bulletin/pixel/2020-12-01PatchVendor Advisory
https://source.android.com/security/bulletin/pixel/2020-12-01PatchVendor Advisory

FAQ

What is CVE-2020-27066?

CVE-2020-27066 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges neede...

How severe is CVE-2020-27066?

CVE-2020-27066 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27066?

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