In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Dec 16, 2022 · NIST NVD

   Detected

   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

2. Oct 14, 2026 · NIST NVD

   Updated

   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

Affected

• cpe google/androidversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2022-20572

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2022-20572

  30-day exploitation probability 0.6%

  first.org
• NIST NVDVulnerability recordCVE-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. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidV

  nvd.nist.gov

References

• Reference · cert-portal.siemens.com
• Patch · source.android.com