Vulnerability in Google Android

[ Description ]Official description

In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR3 Nov 2026CERTFR-2026-AVI-1443

  Multiple vulnerabilities in Google Android Translated from French

  Multiple vulnerabilities have been discovered in Google Android. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and a breach of data confidentiality.

  CVE-2026-20546CVE-2026-58990CVE-2026-20548+213 more CVEs
• BSI CERT-Bund2 Nov 2026WID-SEC-2026-4288

  Android Patchday November 2026 (Google Android, Automotive OS and XR): Multiple vulnerabilities Translated from German

  Risk highCVE-2026-45201CVE-2026-20561CVE-2026-58956+222 more CVEs

[ References ]References

• android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58
• android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9
• source.android.com/docs/security/bulletin/2026/2026-11-01