CVE-2025-48623 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds WriteCWE-20 — Improper Input Validation5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 94.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Google Android
Timeline
PublishedDec 8

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages1 packages

▶CVEListV5google/androidAndroid kernel

Patches

Patch: android.googlesource.com ↗Patch: android.googlesource.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-c839-h8gq-w63p: In init_pkvm_hyp_vcpu of pkvm↗2025-12-08
▶
CVEList
CVE-2025-48623: In init_pkvm_hyp_vcpu of pkvm↗2025-12-08
▶
OSV
CVE-2025-48623: In init_pkvm_hyp_vcpu of pkvm↗2025-12-01
▶

📋Vendor Advisories

1
Android
CVE-2025-48623: pKVM↗2025-12-01
▶
CVE-2025-48623 — Out-of-bounds Write in Google Android | cvebase