What’s Vulnerable › Vulnerabilities

CVE-2024-25389

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-27 · updated 2026-06-17
• Weakness: CWE-338

Description

RT-Thread through 5.0.2 generates random numbers with a weak algorithm of "seed = 214013L * seed + 2531011L; return (seed >> 16) & 0x7FFF;" in calc_random in drivers/misc/rt_random.c.

Affected products

• RT-Thread: through 5.0.2

References

• http://www.openwall.com/lists/oss-security/2024/03/05/1
• https://github.com/RT-Thread/rt-thread/issues/8283
• https://github.com/hnsecurity/vulns/blob/main/HNS-2024-05-rt-thread.txt
• https://seclists.org/fulldisclosure/2024/Mar/28
• https://security.humanativaspa.it/multiple-vulnerabilities-in-rt-thread-rtos/
• http://seclists.org/fulldisclosure/2024/Mar/28
• http://www.openwall.com/lists/oss-security/2024/03/05/1
• https://github.com/RT-Thread/rt-thread/issues/8283
• https://github.com/hnsecurity/vulns/blob/main/HNS-2024-05-rt-thread.txt
• https://seclists.org/fulldisclosure/2024/Mar/28
• https://security.humanativaspa.it/multiple-vulnerabilities-in-rt-thread-rtos/

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