DEBIAN-CVE-2021-44730

Source
https://security-tracker.debian.org/tracker/CVE-2021-44730
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-44730.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-44730
Upstream
Published
2022-02-17T23:15:07Z
Modified
2025-09-19T07:31:53.881001Z
Summary
[none]
Details

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

References

Affected packages

Debian:11 / snapd

Package

Name
snapd
Purl
pkg:deb/debian/snapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.49-1+deb11u1

Affected versions

2.*

2.49-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / snapd

Package

Name
snapd
Purl
pkg:deb/debian/snapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.54.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / snapd

Package

Name
snapd
Purl
pkg:deb/debian/snapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.54.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / snapd

Package

Name
snapd
Purl
pkg:deb/debian/snapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.54.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}