CVE-2004-0496: Multiple unknown vulnerabilities in Linux kernel 2.6 allow local users to gain privileges or access kernel mem

Routine

HIGH 7.2WATCHLISTDOWNGRADEDOWNGRADEMITIGATE

CVE-2004-0496 is a high-severity flaw (CVSS 7.2) affecting mandrake multi network firewall, suse email server, suse linux connectivity server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple unknown vulnerabilities in Linux kernel 2.6 allow local users to gain privileges or access kernel memory, a different set of vulnerabilities than those identified in CVE-2004-0495, as found by the Sparse source code checking tool.

Why this priority

High severity
On your watchlist

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Published	2004-12-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mandrakesoft · suse

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

Am I affected?

Timeline

2004-12-06 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

mandrakesoft mandrake multi network firewall DOWNGRADE

Affected: 8.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.2

1. Check installed version

apt-cache policy mandrake-multi-network-firewall || rpm -q mandrake-multi-network-firewall || mandrake-multi-network-firewall --version

2. No fixed release: DOWNGRADE to a release before 8.2 (Debian / Ubuntu)

apt-cache madison mandrake-multi-network-firewall sudo apt install mandrake-multi-network-firewall=<VERSION_BEFORE_8.2> sudo apt-mark hold mandrake-multi-network-firewall

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

dnf --showduplicates list mandrake-multi-network-firewall sudo dnf downgrade mandrake-multi-network-firewall-<VERSION_BEFORE_8.2> sudo dnf versionlock add mandrake-multi-network-firewall

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.

suse suse email server DOWNGRADE

Affected: 3 · 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3

1. Check installed version

apt-cache policy suse-email-server || rpm -q suse-email-server || suse-email-server --version

2. No fixed release: DOWNGRADE to a release before 3 (Debian / Ubuntu)

apt-cache madison suse-email-server sudo apt install suse-email-server=<VERSION_BEFORE_3> sudo apt-mark hold suse-email-server

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

dnf --showduplicates list suse-email-server sudo dnf downgrade suse-email-server-<VERSION_BEFORE_3> sudo dnf versionlock add suse-email-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.

suse suse linux connectivity server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy suse-linux-connectivity-server || rpm -q suse-linux-connectivity-server || suse-linux-connectivity-server --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

suse suse linux database server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy suse-linux-database-server || rpm -q suse-linux-database-server || suse-linux-database-server --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

suse suse linux firewall MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy suse-linux-firewall || rpm -q suse-linux-firewall || suse-linux-firewall --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

suse suse linux office server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy suse-linux-office-server || rpm -q suse-linux-office-server || suse-linux-office-server --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2004-0496?

mandrake multi network firewall: downgrade or apply the listed mitigation; suse email server: downgrade or apply the listed mitigation; suse linux connectivity server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0496 being exploited?

CVE-2004-0496 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-2004-0496 affect?

CVE-2004-0496 affects mandrake multi network firewall, suse email server, suse linux connectivity server. Severity is high (CVSS 7.2). Multiple unknown vulnerabilities in Linux kernel 2.6 allow local users to gain privileges or access kernel memory, a different set of vulnerabilities than those identified in CVE-2004-0495, as found by the Sparse source code checking tool.

How urgent is CVE-2004-0496?

Priority 39/100. High severity; On your watchlist

Software pages

Linux kernel vulnerabilities

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References

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