CVE-2023-2602

Published: 15 May 2023

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.

Notes

Author	Note
alexmurray	also referenced as LCAP-CR-23-01

Priority

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package	Release	Status
libcap2 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Released (1:2.32-1ubuntu0.1)
	jammy	Released (1:2.44-1ubuntu0.22.04.1)
	kinetic	Released (1:2.44-1ubuntu0.22.10.1)
	lunar	Released (1:2.66-3ubuntu2.1)
	mantic	Released (1:2.66-4ubuntu1)
	noble	Released (1:2.66-4ubuntu1)
	trusty	Needs triage
	upstream	Released (1:2.66-4)
	xenial	Needs triage
	Patches: upstream: https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=bc6b36682f188020ee4770fae1d41bde5b2c97bb

Severity score breakdown

Parameter	Value
Base score	3.3
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

Bugs

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›