CVE-2022-3328
Publication date 30 November 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Race condition in snap-confine's must_mkdir_and_open_with_perms()
From the Ubuntu Security Team
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
snapd | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Fixed 2.57.5+22.04ubuntu0.1
|
|
20.04 LTS focal |
Fixed 2.57.5+20.04ubuntu0.1
|
|
18.04 LTS bionic |
Fixed 2.57.5+18.04ubuntu0.1
|
|
16.04 LTS xenial |
Fixed 2.54.3+16.04.0ubuntu0.1~esm5
|
|
14.04 LTS trusty | Ignored end of standard support |
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alexmurray
vuln introduced as part of the fix for CVE-2021-44731 - as such affects upstream versions 2.54.3 to 2.57.5
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 · High |
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5753-1
- snapd vulnerability
- 1 December 2022