USN-6088-2

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6088-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6088-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6088-2
Related
Published
2023-05-23T14:07:29.572972Z
Modified
2023-05-23T14:07:29.572972Z
Summary
runc vulnerabilities
Details

USN-6088-1 fixed vulnerabilities in runC. This update provides the corresponding updates for Ubuntu 16.04 LTS.

It was discovered that runC incorrectly performed access control when mounting /proc to non-directories. An attacker could possibly use this issue to escalate privileges. (CVE-2019-19921)

Felix Wilhelm discovered that runC incorrecly handled netlink messages. An attacker could possibly use this issue to escalate privileges. (CVE-2021-43784)

Andrew G. Morgan discovered that runC incorrectly set inherited process capabilities inside the container. An attacker could possibly use this issue to escalate privileges. (CVE-2022-29162)

Original advisory details:

It was discovered that runC incorrectly made /sys/fs/cgroup writable when in rootless mode. An attacker could possibly use this issue to escalate privileges. (CVE-2023-25809)

It was discovered that runC incorrectly performed access control when mounting /proc to non-directories. An attacker could possibly use this issue to escalate privileges. (CVE-2023-27561)

It was discovered that runC incorrectly handled /proc and /sys mounts inside a container. An attacker could possibly use this issue to bypass AppArmor, and potentially SELinux. (CVE-2023-28642)

References

Affected packages

Ubuntu:Pro:16.04:LTS / runc

Package

Name
runc
Purl
pkg:deb/ubuntu/runc?arch=src?distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4

Affected versions

0.*

0.0.8+dfsg-2
0.1.1-0ubuntu5~16.04

1.*

1.0.0~rc1-0ubuntu1~16.04
1.0.0~rc1-0ubuntu2~16.04.1
1.0.0~rc1-0ubuntu2~16.04.1.1
1.0.0~rc2-0ubuntu2~16.04.1
1.0.0~rc2+docker1.12.6-0ubuntu1~16.04.1
1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.1
1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.2
1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.3
1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4
1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm1
1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4",
            "binary_name": "golang-github-opencontainers-runc-dev"
        },
        {
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4",
            "binary_name": "runc"
        },
        {
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4",
            "binary_name": "runc-dbgsym"
        }
    ]
}