7.8
High
CVE-2021-44730 snapd 2.54.2 did not properly validate the location of the snap-confine binary
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| snapd 2.54 | earliest → 2.54.2 | No fix stated |
Other CVEs of snapd
The 8 CVEs of snapd →
CVE-2020-27352
When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify…
9.3
Critical
CVE-2024-5138
The snapctl component within snapd allows a confined snap to interact with the snapd daemon to take certain privileged…
8.1
High
CVE-2022-3328
Race condition in snap-confine's must_mkdir_and_open_with_perms()
7.8
High
CVE-2023-1523
Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal…
10.0
Critical