CWE
476
Advisory Published
Updated

CVE-2018-1000800: Null Pointer Dereference

First published: Thu Sep 06 2018(Updated: )

zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get() that can result in CPU Page Fault (error code 0x00000010). This attack appear to be exploitable via a malicious application call the vulnerable kernel APIs (system sys_ring_buf_get() and sys_ring_buf_put).

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Zephyr Project Manager=1.12.0

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Frequently Asked Questions

  • What is the severity of CVE-2018-1000800?

    CVE-2018-1000800 is considered to have a medium severity due to the potential for a CPU Page Fault from a NULL pointer dereference.

  • How do I fix CVE-2018-1000800?

    To fix CVE-2018-1000800, update to a patched version of Zephyr RTOS that resolves the NULL pointer reference in sys_ring_buf_put() and sys_ring_buf_get().

  • What versions of Zephyr RTOS are affected by CVE-2018-1000800?

    CVE-2018-1000800 affects Zephyr RTOS version 1.12.0.

  • Can CVE-2018-1000800 be exploited remotely?

    CVE-2018-1000800 requires a malicious application call to the vulnerable kernel APIs, making it dependent on local exploitation.

  • What are the potential consequences of exploiting CVE-2018-1000800?

    Exploitation of CVE-2018-1000800 can result in a CPU Page Fault, which may lead to system instability or crashes.

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