CVE-2022-3563

Publication date 17 October 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function read_50_controller_cap_complete of the file tools/mgmt-tester.c of the component BlueZ. The manipulation of the argument cap_len leads to null pointer dereference. It is recommended to apply a patch to fix this issue. VDB-211086 is the identifier assigned to this vulnerability.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
bluez	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Fixed 5.64-0ubuntu1.3
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Fixed 5.37-0ubuntu5.3+esm4 Ubuntu Pro
	14.04 LTS trusty	Ignored end of standard support

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Notes

mdeslaur

introduced in 5.56 This flaw is only in the mgmt-tester tool in the bluez-tests package in universe, this isn't normally used

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
bluez	Upstream: ?id=e3c

Severity score breakdown

Parameter	Value
Base score	5.7 · Medium
Attack vector	Adjacent
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H