Medium severity · published Dec 16, 2022
CVE-2022-20572
In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check
6.7
CVSS
0.6%
EPSS
No
On KEV
Description
In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. 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-234475629References: Upstream kernel
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
Android kernel · source: vendor, NVD
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-20572
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-20572
Patch
https://source.android.com/security/bulletin/pixel/2022-12-01
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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