PT-2021-20542
CVE-2021-3455
·
تاريخ النشر
2021-10-19
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تاريخ التحديث
2021-10-26
الوصف من
CVSS 3.1
7.5
عاليةالمقاييسAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions:
Zephyr versions 2.4.0 and later
Zephyr versions 2.5.0 and later
Description:
Disconnecting L2CAP channel right after an invalid ATT request can cause a freeze. The issue is related to a Use After Free condition.
Recommendations:
For Zephyr versions 2.4.0 and later, consider disabling the L2CAP channel functionality until a patch is available.
For Zephyr versions 2.5.0 and later, restrict access to the ATT request module to minimize the risk of exploitation.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
قابلية الاستغلال
استغلال
التأثيرات
الباحثون
المورّدون
المنتجات المتأثرة
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