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7.8
CVE-2025-48623: Android and Linux kernel allow local privilege escalation
CVE-2025-48623 · published 11 months ago
Summary
A function in the Android and Linux kernel code can write outside its intended memory area because it does not check input properly. This mistake could let a local user gain higher system rights without needing any special permissions or user interaction. Apply the latest security patches from Google or your Linux distribution to fix the issue.
What to do
- Update google :linux_kernel: to version :2025-12-05.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | android |
All versions
cpe:2.3:o:google:android:-:*:*:*:*:*:*:* |
|
| Android | :linux_kernel: |
>= :0, < :2025-12-05 Fix: upgrade to :2025-12-05
|
Original advisory text
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 n...
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.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Type
CWE-787Out-of-bounds Write
CWE-20Improper Input Validation
Timeline
Published1 Dec 2025
Updated9 Oct 2026
First seen7 Mar 2026
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