CVE-2022-20409

2022-10-1100:00:00

ubuntu.com

io_uring.c

memory corruption

local privilege escalation

android kernel

system execution privileges

use after free

upstream kernel

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

In io_identity_cow of io_uring.c, there is a possible way to corrupt memory
due to a use after free. 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-238177383References: Upstream kernel