CVE-2021-44730
HIGH8.8EPSS 0.04%snapd - security update
Published: 2/17/2022Modified: 3/9/2026
Description
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
Affected packages (2)
- Debian/snapdfrom 0, < 2.49-1+deb11u1
- Debian/snapdfrom 0, < 2.37.4-1+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |