CVE-2023-2602

Publication date 15 May 2023

Last updated 18 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

3.3 · Low

Score breakdown

Description

A vulnerability was found in the pthread_create() function in libcap. This issue may allow a malicious actor to use cause __real_pthread_create() to return an error, which can exhaust the process memory.

Read the notes from the security team

Status

Package Ubuntu Release Status
libcap2 25.10 questing
Fixed 1:2.66-4ubuntu1
25.04 plucky
Fixed 1:2.66-4ubuntu1
24.10 oracular
Fixed 1:2.66-4ubuntu1
24.04 LTS noble
Fixed 1:2.66-4ubuntu1
23.10 mantic
Fixed 1:2.66-4ubuntu1
23.04 lunar
Fixed 1:2.66-3ubuntu2.1
22.10 kinetic
Fixed 1:2.44-1ubuntu0.22.10.1
22.04 LTS jammy
Fixed 1:2.44-1ubuntu0.22.04.1
20.04 LTS focal
Fixed 1:2.32-1ubuntu0.1
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation

Notes

alexmurray

also referenced as LCAP-CR-23-01

Patch details

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

Package Patch details
libcap2

Severity score breakdown

Parameter Value
Base score 3.3 · Low
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

Other references