CVE-2022-20566CWE-416CWE-667

CVE-2022-20566

High · published December 16, 2022

CVSS v3.1
7.8
EPSS
0%
Percentile
11.6
In the wild
Unconfirmed
What it is

In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-165329981References: Upstream kernel

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00217 · 11.6th percentile
Weaknesses
CWE-416 · Use After Free; CWE-667 · Improper Locking
Published
2022-12-16T21:15Z
Affected products (1)
ProductVersionsFixed in
google/androidall versions—
References (3)
https://source.android.com/security/bulletin/pixel/2022-12-01 · [email protected]https://source.android.com/security/bulletin/pixel/2022-12-01 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 16 DEC 00:00Z
    In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking
    cvelistv5