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CVE-2025-54601 Samsung CVE debrief

A double free vulnerability exists in the Wi-Fi driver of various Samsung Exynos chipsets due to improper synchronization on a global variable. This issue allows an attacker to trigger a race condition by invoking an ioctl function concurrently from multiple threads. The vulnerability affects Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000 chipsets. Organizations using these chipsets should prioritize patching this vulnerability to prevent potential attacks. The vulnerability has a CVSS score of 7 and is classified as HIGH severity.

Vendor
Samsung
Product
Exynos Wi‑Fi driver
CVSS
HIGH 7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-24
Advisory published
2026-04-06
Advisory updated
2026-07-24

Who should care

Organizations using Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000 chipsets should prioritize patching this vulnerability to prevent potential attacks. This includes operators, platform administrators, vulnerability management teams, and security teams responsible for ensuring the security and integrity of their systems.

Technical summary

The vulnerability is caused by improper synchronization on a global variable in the Wi-Fi driver of affected Exynos chipsets. An attacker can exploit this issue by triggering a race condition through concurrent invocation of an ioctl function from multiple threads, leading to a double free. This could potentially allow for privilege escalation or denial of service attacks. The affected chipsets are widely used in various Samsung products, including mobile devices and wearables.

Defensive priority

High

Recommended defensive actions

  • Apply patches provided by Samsung for affected Exynos chipsets
  • Implement additional monitoring for suspicious ioctl activity
  • Restrict access to Wi-Fi driver functionality where possible
  • Regularly review and update system configurations to align with vendor recommendations
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-04-06T21:16:19.880Z and was last modified on 2026-07-24T22:10:00.140Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects various Samsung Exynos chipsets, including Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. The issue is caused by improper synchronization on a global variable in the Wi-Fi driver, leading to a double free vulnerability. To verify the vulnerability, defenders should review the official CVE record and NVD entry for affected scope, severity, and vendor guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-06T21:16:19.880Z and has not been modified since then. The NVD entry is currently Analyzed.