ALBA-2022:0901 firewalld bug fix and enhancement update
Not scored
Published
Check this codebase for ALBA-2022:0901 and fix it if it is affected.
What it is: ALBA-2022:0901 is a denial of service vulnerability in firewall-applet, published on 15 Mar 2022.
Exploitation: There is no known exploitation of ALBA-2022:0901 in the wild and no public exploit code.
Affected product: firewall-applet. 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/ALBA-2022-0901/ (Markdown: https://insights.sbomify.com/ALBA-2022-0901/index.md)
Adding large numbers of ipsets causes significant delays in firewalld, potentially leading to service unavailability or degraded performance.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- Available
What is ALBA-2022:0901?
ALBA-2022:0901 is a denial of service vulnerability in firewall-applet, published on 15 Mar 2022.
Official description
firewalld is a firewall service daemon that provides a dynamic customizable firewall with a D-Bus interface.
Bug Fix(es) and Enhancement(s):
- firewall-cmd takes hours when adding 55K ipsets (BZ#2046343)
Which versions are affected by ALBA-2022:0901?
Linux distribution packages (2)
firewall-applet AlmaLinux:8 | All versions | 0.9.3-7.el8_5.1 |
firewall-config AlmaLinux:8 | All versions | 0.9.3-7.el8_5.1 |
How do I fix ALBA-2022:0901?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is ALBA-2022:0901 being exploited?
There is no known exploitation of ALBA-2022:0901 in the wild and no public exploit code.