# CVE-2022-3328: ubuntu-snappy: Race condition in snap-confine's must_mkdir_and_open_with_perms()

CVE-2022-3328 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.57.5+18.04ubuntu0.1, released November 29, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-3328
- Priority: High
- CVSS: 7.0 (High)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 29, 2022

## Description

Race condition in snap-confine's must_mkdir_and_open_with_perms()

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-snapcore-snapd-dev-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-snapcore-snapd-dev-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-ubuntu-core-snappy-dev-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-ubuntu-core-snappy-dev-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [snap-confine 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snap-confine Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [snap-confine 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snap-confine-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snap-confine Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [snap-confine 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snap-confine-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd Debian 11.6 (bullseye) | 2.49-1+deb11u2 | [DSA-5292-1](https://patchblox.com/security/data/fix/linux/dsa-5292-1.md) | Dec 1, 2022 |
| Linux | snapd Debian 12.15 (bookworm) | 2.57.6-1 | [DEBIAN-CVE-2022-3328](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3328.md) | Jan 8, 2024 |
| Linux | snapd Debian 13.5 (trixie) | 2.57.6-1 | [DEBIAN-CVE-2022-3328](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3328.md) | Jan 8, 2024 |
| Linux | snapd Debian 14 | 2.57.6-1 | [DEBIAN-CVE-2022-3328](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3328.md) | Jan 8, 2024 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [snapd 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [snapd 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [snapd 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [snapd-xdg-open 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd-xdg-open Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [snapd-xdg-open 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-xdg-open-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | snapd-xdg-open Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [snapd-xdg-open 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-xdg-open-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [ubuntu-core-launcher 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-launcher Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [ubuntu-core-launcher 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-launcher-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-launcher Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [ubuntu-core-launcher 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-launcher-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [ubuntu-core-snapd-units 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-snapd-units Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [ubuntu-core-snapd-units 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-snapd-units-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-core-snapd-units Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [ubuntu-core-snapd-units 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-snapd-units-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [ubuntu-snappy 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [ubuntu-snappy 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [ubuntu-snappy 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.57.5+18.04ubuntu0.1 | [ubuntu-snappy-cli 2.57.5+18.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.57.5-18.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy-cli Ubuntu 20.04 LTS (focal) | 2.57.5+20.04ubuntu0.1 | [ubuntu-snappy-cli 2.57.5+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-cli-2.57.5-20.04ubuntu0.1.md) | Nov 29, 2022 |
| Linux | ubuntu-snappy-cli Ubuntu 22.04.1 LTS (jammy) | 2.57.5+22.04ubuntu0.1 | [ubuntu-snappy-cli 2.57.5+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-cli-2.57.5-22.04ubuntu0.1.md) | Nov 29, 2022 |

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