Double Free Affecting bluez package, versions <0:5.52-4.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
3.29% (92nd percentile)

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  • Snyk IDSNYK-ROCKY8-BLUEZ-3292356
  • published3 Feb 2023
  • disclosed15 Oct 2020

Introduced: 15 Oct 2020

CVE-2020-27153  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 bluez to version 0:5.52-4.el8 or higher.
This issue was patched in RLSA-2021:1598.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bluez package and not the bluez package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

CVSS Scores

version 3.1