Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2023-27561

Publication date 3 March 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.0 · High

Score breakdown

runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

Status

Package Ubuntu Release Status
runc 23.04 lunar
Fixed 1.1.4-0ubuntu3.1
22.10 kinetic
Fixed 1.1.4-0ubuntu1~22.10.3
22.04 LTS jammy
Fixed 1.1.4-0ubuntu1~22.04.3
20.04 LTS focal
Fixed 1.1.4-0ubuntu1~20.04.3
18.04 LTS bionic
Fixed 1.1.4-0ubuntu1~18.04.2
16.04 LTS xenial
14.04 LTS trusty Ignored

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 7.0 · High
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H