CVE-2025-52517

Denial of service via issimian double free

Published Jan 5, 2026 · Updated Jan 5, 2026

Samsung Exynos 1330, 1380, 1480, 1580, 2400, and 2500 Camera code allows attackers to cause denial of service via a double free. A race condition in the issimian device driver permits concurrent operations to free the same allocation twice. Samsung has not disclosed the trigger or access path; the reported consequence is limited to denial of service, with no reported data disclosure or modification.

CVSS severity5.9
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Samsung Exynos 1330, 1380, 1480, 1580, 2400, and 2500 Camera code allows attackers to cause denial of service via a double free. A race condition in the issimian device driver permits concurrent operations to free the same allocation twice. Samsung has not disclosed the trigger or access path; the reported consequence is limited to denial of service, with no reported data disclosure or modification.

The record

CVE
CVE-2025-52517
Published
Jan 5, 2026
Updated
Jan 5, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-362, T1643
Attack vector
Unavailable
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.9NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.1CISA-ADPCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1643Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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