CVE-2001-1409: dexconf in XFree86 Xserver 4.1.0-2 creates the /dev/dri directory with insecure permissions (666), which allow

Routine

LOW 3.6DOWNGRADE

CVE-2001-1409 is a low-severity flaw (CVSS 3.6) affecting xfree86 x server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

dexconf in XFree86 Xserver 4.1.0-2 creates the /dev/dri directory with insecure permissions (666), which allows local users to replace or create files in the root file system.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.6 (Low)
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Published	2003-07-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xfree86 project

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

Am I affected?

Timeline

2003-07-24 04:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

xfree86 project xfree86 x server DOWNGRADE

Affected: 4.1.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.0.2

1. Check installed version

apt-cache policy xfree86-x-server || rpm -q xfree86-x-server || xfree86-x-server --version

2. No fixed release: DOWNGRADE to a release before 4.1.0.2 (Debian / Ubuntu)

apt-cache madison xfree86-x-server sudo apt install xfree86-x-server=<VERSION_BEFORE_4.1.0.2> sudo apt-mark hold xfree86-x-server

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

dnf --showduplicates list xfree86-x-server sudo dnf downgrade xfree86-x-server-<VERSION_BEFORE_4.1.0.2> sudo dnf versionlock add xfree86-x-server

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-2001-1409?

xfree86 x server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2001-1409 being exploited?

CVE-2001-1409 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-2001-1409 affect?

CVE-2001-1409 affects xfree86 x server. Severity is low (CVSS 3.6). dexconf in XFree86 Xserver 4.1.0-2 creates the /dev/dri directory with insecure permissions (666), which allows local users to replace or create files in the root file system.

How urgent is CVE-2001-1409?

Priority 21/100. No elevated risk signals yet.

Related CVEs

CVE-2006-6102 HIGH 10.0 DOWNGRADE MITIGATE Integer overflow in the ProcDbeGetVisualInfo function in the DBE extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.

References

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