CVE-2021-41229

描述

BlueZ is a Bluetooth protocol stack for Linux. In affected versions a vulnerability exists in sdp_cstate_alloc_buf which allocates memory which will always be hung in the singly linked list of cstates and will not be freed. This will cause a memory leak over time. The data can be a very large object, which can be caused by an attacker continuously sending sdp packets and this may cause the service of the target device to crash.

如何修補 CVE-2021-41229

要修補 CVE-2021-41229,請將受影響套件升級到下列已修補版本。

• —升級至 5.55-3.1+deb11u2 或更新版本

CVE-2021-41229 正在被利用嗎?

低 — EPSS 為 1.1%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 5.55-3.1+deb11u2

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-41229