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
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published: 2022-02-17T22:15:18

Updated: 2024-08-04T04:32:12.268Z

Reserved: 2021-12-08T00:00:00

Link: CVE-2021-44730

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-17T23:15:07.413

Modified: 2024-11-21T06:31:28.040

Link: CVE-2021-44730

cve-icon Redhat

No data.