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CVE-2025-48623

Date: December 8, 2025

In init_pkvm_hyp_vcpu of pkvm.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Severity Score

Related Resources (5)

https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895
https://nvd.nist.gov/vuln/detail/CVE-2025-48623
https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81
https://source.android.com/security/bulletin/2025-12-01
https://www.mend.io/vulnerability-database/CVE-2025-48623

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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