CVE-2022-3533

Publication date 17 October 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A vulnerability was found in Linux Kernel. It has been rated as problematic. This issue affects the function parse_usdt_arg of the file tools/lib/bpf/usdt.c of the component BPF. The manipulation of the argument reg_name leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211031.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libbpf	22.10 kinetic	Fixed 0.8.0-1ubuntu22.10.1
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Ignored

Notes

mdeslaur

introduced by: https://github.com/libbpf/libbpf/commit/557499a13ede6ea86883d070af06621fe990572f introduced in 0.8.0

Patch details

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

Package	Patch details
libbpf	Upstream: 881a109

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