CVE-2022-1804 Accountsservice incorrectly drops privileges
Medium 5.5
Published
Updated
Check this codebase for CVE-2022-1804 and fix it if it is affected.
What it is: CVE-2022-1804 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-1804 in the wild and no public exploit code.
Affected product: Canonical Ubuntu Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2022-1804/ (Markdown: https://insights.sbomify.com/CVE-2022-1804/index.md)
Attackers can escalate privileges because accountsservice fails to drop permissions when writing .pam_environment files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-1804?
CVE-2022-1804 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
accountsservice no longer drops permissions when writting .pam_environment
Weakness: CWE-269
Which versions are affected by CVE-2022-1804?
It affects 2 products.
Products include Canonical Accountsservice, Canonical Ubuntu Linux.
How do I fix CVE-2022-1804?
Apply the vendor's patch.
Is CVE-2022-1804 being exploited?
There is no known exploitation of CVE-2022-1804 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as AZL-66686, GHSA-v7v5-m765-h4w4, UBUNTU-CVE-2022-1804, USN-5439-1.