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SECURITY BULLETIN: Trend Micro ServerProtect for Linux 3.0 Memory Exhaustion Denial-of-Service Vulnerabilities

    • Updated:
    • 27 Jan 2021
    • Product/Version:
    • ServerProtect For Linux All
    • Platform:
Release Date: January 26, 2021
CVE Identifier(s): CVE-2021-25224 through 25226
Platform(s): Linux
CVSS 3.0 Score(s): 2.8
Severity Rating(s): Low

Trend Micro has released a new Critical Patch (CP) for Trend Micro ServerProtect for Linux (SPLX) 3.0. This CP resolves three memory exhaustion denial-of-service vulnerabilities.


Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)


Trend Micro has released the following solutions to address the issue:

ProductUpdated versionNotesPlatformAvailability
SPLX3.0 CP 1649ReadmeLinuxNow Available

These are the minimum recommended version(s) of the patches and/or builds required to address the issue. Trend Micro highly encourages customers to obtain the latest version of the product if there is a newer one available than the one listed in this bulletin.

Customers are encouraged to visit Trend Micro’s Download Center to obtain prerequisite software (such as Service Packs) before applying any of the solutions above.

Vulnerability Details

CVE-2021-25224 through 25226 Memory Exhaustion Denial-of-Service Vulnerabilities
CVSSv3: 2.8: AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Memory exhaustion vulnerabilities in Trend Micro ServerProtect for Linux 3.0 could allow a local attacker to craft specific files that can cause a denial-of-service on the affected product.
Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.


Mitigating Factors

Exploiting these type of vulnerabilities generally require that an attacker has access (physical or remote) to a vulnerable machine. In addition to timely application of patches and updated solutions, customers are also advised to review remote access to critical systems and ensure policies and perimeter security is up-to-date.

However, even though an exploit may require several specific conditions to be met, Trend Micro strongly encourages customers to update to the latest builds as soon as possible.


Trend Micro would like to thank the following individuals for responsibly disclosing these issues and working with Trend Micro to help protect our customers:

External Reference(s)

The following advisories may be found at Trend Micro's Zero Day Initiative Published Advisories site:
  • ZDI-21-085
  • ZDI-21-086
  • ZDI-21-087
Solution Id:
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