Out-of-bounds write in Android Kernel arm-smmu-v3 IOMMU
CVE-2025-48624 is a critical local elevation-of-privilege vulnerability in the Android kernel IOMMU subsystem, specifically in multiple functions of arm-smmu-v3.c. The issue is caused by improper input validation that can result in an out-of-bounds write. According to the provided bulletin text, successful exploitation does not require user interaction or additional execution privileges. The flaw is listed in the December 2025 Android Security Bulletin as affecting the kernel IOMMU component at the 2025-12-05 patch level.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Critical kernel-level elevation-of-privilege vulnerability in Android affecting IOMMU, potentially undermining device/memory isolation.
A critical elevation-of-privilege vulnerability in the Android Kernel's IOMMU subsystem.
Critical local elevation-of-privilege vulnerability in the kernel IOMMU subcomponent (as described), addressed in the 2025-12-05 patch level via upstream kernel patches.
A critical local escalation of privilege vulnerability in the IOMMU subcomponent of the Android kernel.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.