USN-5753-1: snapd vulnerability
First published: Thu Dec 01 2022(Updated: )
The Qualys Research Team discovered that a race condition existed in the snapd snap-confine binary when preparing the private /tmp mount for a snap. A local attacker could possibly use this issue to escalate privileges and execute arbitrary code.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/snapd | <2.57.5+22.10ubuntu0.1 | 2.57.5+22.10ubuntu0.1 |
| Ubuntu | =22.10 | |
| All of | ||
| ubuntu/snapd | <2.57.5+22.04ubuntu0.1 | 2.57.5+22.04ubuntu0.1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/snapd | <2.57.5+20.04ubuntu0.1 | 2.57.5+20.04ubuntu0.1 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/snapd | <2.57.5+18.04ubuntu0.1 | 2.57.5+18.04ubuntu0.1 |
| Ubuntu | =18.04 | |
| All of | ||
| ubuntu/snapd | <2.54.3+16.04.0ubuntu0.1~esm5 | 2.54.3+16.04.0ubuntu0.1~esm5 |
| Ubuntu | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2022-3328
- https://launchpad.net/ubuntu/+source/snapd/2.57.5+22.10ubuntu0.1
- https://launchpad.net/ubuntu/+source/snapd/2.57.5+22.04ubuntu0.1
- https://launchpad.net/ubuntu/+source/snapd/2.57.5+20.04ubuntu0.1
- https://launchpad.net/ubuntu/+source/snapd/2.57.5+18.04ubuntu0.1
- https://ubuntu.com/security/notices/USN-5753-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-5753-1?
USN-5753-1 is a high severity vulnerability due to the risk of privilege escalation and arbitrary code execution.
How do I fix USN-5753-1?
To fix USN-5753-1, update the snapd package to version 2.57.5+22.10ubuntu0.1 or later.
Which Ubuntu versions are affected by USN-5753-1?
USN-5753-1 affects Ubuntu versions 22.10, 22.04, 20.04, 18.04, and 16.04.
What type of vulnerability is USN-5753-1?
USN-5753-1 is a race condition vulnerability in the snapd snap-confine binary.
Can a local attacker exploit USN-5753-1?
Yes, a local attacker could potentially exploit USN-5753-1 to escalate privileges.
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