Use‑After‑Free in Samsung Exynos Chipsets (CVE‑2022‑22265) Enables Remote Code Execution on Mobile Devices
What It Is — Samsung devices with selected Exynos chipsets contain a use‑after‑free flaw that permits malicious memory writes and arbitrary code execution.
Exploitability — Publicly disclosed; proof‑of‑concept code exists; CVSS v3.1 base score 8.8 (High).
Affected Products — Samsung Galaxy smartphones and tablets powered by the vulnerable Exynos processors (e.g., Exynos 2100, 2200 series).
Why It Matters for Trust & Control Assurance
- Tests the Vulnerability Management control objective: continuous detection, timely patching, and auditable evidence of remediation.
- Highlights the need for ongoing firmware inventory and monitoring to provide a defensible audit trail for regulators and enterprise buyers.
- Satisfies a single control area that maps to many frameworks (SOC 2, ISO 27001, NIST CSF), reinforcing a trustworthy security posture.
Recommended Actions
- Run an inventory scan to identify devices with the affected Exynos chipsets.
- Verify that Samsung’s security update addressing CVE‑2022‑22265 is installed; apply it immediately.
- If a patch is unavailable, apply mitigations such as restricting untrusted app installations and enforcing SELinux enforcing mode.
- Document remediation steps in your control‑evidence repository to support audit readiness.
Source: CISA KEV – CVE‑2022‑22265