Double Free Affecting bluez package, versions <5.48-13.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
3.29% (92nd percentile)

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  • Snyk IDSNYK-SLES152-BLUEZ-2699976
  • published14 Apr 2022
  • disclosed26 Oct 2020

Introduced: 26 Oct 2020

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

How to fix?

Upgrade SLES:15.2 bluez to version 5.48-13.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bluez package and not the bluez package as distributed by SLES. See How to fix? for SLES:15.2 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