CVE-2004-1295: The slip_down function in slip.c for the uml_net program in uml-utilities 20030903, when uml_net is installed

Routine

LOW 2.1DOWNGRADE

CVE-2004-1295 is a low-severity flaw (CVSS 2.1) affecting uml-utilities. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The slip_down function in slip.c for the uml_net program in uml-utilities 20030903, when uml_net is installed setuid root, does not verify whether the calling user has sufficient permission to disable an interface, which allows local users to cause a denial of service (network service disabled).

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Published	2005-01-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: uml-utilities

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-01-10 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

uml-utilities uml-utilities DOWNGRADE

Affected: 2003-09-03

Fixed in: no fixed release known

Safe to downgrade to: a release before 2003-09-03

1. Check installed version

apt-cache policy uml-utilities || rpm -q uml-utilities || uml-utilities --version

2. No fixed release: DOWNGRADE to a release before 2003-09-03 (Debian / Ubuntu)

apt-cache madison uml-utilities sudo apt install uml-utilities=<VERSION_BEFORE_2003-09-03> sudo apt-mark hold uml-utilities

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list uml-utilities sudo dnf downgrade uml-utilities-<VERSION_BEFORE_2003-09-03> sudo dnf versionlock add uml-utilities

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-1295?

uml-utilities: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1295 being exploited?

CVE-2004-1295 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-1295 affect?

CVE-2004-1295 affects uml-utilities. Severity is low (CVSS 2.1). The slip_down function in slip.c for the uml_net program in uml-utilities 20030903, when uml_net is installed setuid root, does not verify whether the calling user has sufficient permission to disable an interface, which allows local users

How urgent is CVE-2004-1295?

Priority 20/100. Public exploit reference

References

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