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2 vulnerabilities found for Ubuntu 20.04 LTS by Canonical
CVE-2026-3888 (GCVE-0-2026-3888)
Vulnerability from nvd – Published: 2026-03-17 14:02 – Updated: 2026-03-18 08:59
VLAI?
Title
Local Privilege Escalation in snapd
Summary
Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.
Severity ?
7.8 (High)
CWE
- CWE-268 - Privilege chaining
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
0 , < 2.75.1
(semver)
|
|||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
Date Public ?
2026-03-17 14:00
Credits
Qualys Security Advisory Team
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CVE-2026-3888 (GCVE-0-2026-3888)
Vulnerability from cvelistv5 – Published: 2026-03-17 14:02 – Updated: 2026-03-18 08:59
VLAI?
Title
Local Privilege Escalation in snapd
Summary
Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.
Severity ?
7.8 (High)
CWE
- CWE-268 - Privilege chaining
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
0 , < 2.75.1
(semver)
|
|||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
Date Public ?
2026-03-17 14:00
Credits
Qualys Security Advisory Team
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