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CVE-2008-2926: The kmxfw.sys driver in CA Host-Based Intrusion Prevention System (HIPS) r8, as used in CA Internet Security S

34
Routine
HIGH 7.2DOWNGRADEDOWNGRADEMITIGATE

CVE-2008-2926 is a high-severity flaw (CVSS 7.2) affecting internet security suite, host based intrusion prevention system, internet security suite 2008. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The kmxfw.sys driver in CA Host-Based Intrusion Prevention System (HIPS) r8, as used in CA Internet Security Suite and Personal Firewall, does not properly verify IOCTL requests, which allows local users to cause a denial of service (system crash) or possibly gain privileges via a crafted request.

Why this priority

  • High severity

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

Risk facts

CVSS score7.2 (High)
EPSS exploit chance0.4% (top 63%)
CISA exploited listNo
WeaknessCWE-20
Published2008-08-12
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: broadcom · ca

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

Am I affected?

Timeline

broadcom internet security suite DOWNGRADE
Affected: 3.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.0
1. Check installed version
apt-cache policy internet-security-suite || rpm -q internet-security-suite || internet-security-suite --version
2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)
apt-cache madison internet-security-suite sudo apt install internet-security-suite=<VERSION_BEFORE_3.0> sudo apt-mark hold internet-security-suite
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list internet-security-suite sudo dnf downgrade internet-security-suite-<VERSION_BEFORE_3.0> sudo dnf versionlock add internet-security-suite
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.
ca host based intrusion prevention system DOWNGRADE
Affected: r8
Fixed in: no fixed release known
Safe to downgrade to: a release before r8
1. Check installed version
apt-cache policy host-based-intrusion-prevention-system || rpm -q host-based-intrusion-prevention-system || host-based-intrusion-prevention-system --version
2. No fixed release: DOWNGRADE to a release before r8 (Debian / Ubuntu)
apt-cache madison host-based-intrusion-prevention-system sudo apt install host-based-intrusion-prevention-system=<VERSION_BEFORE_r8> sudo apt-mark hold host-based-intrusion-prevention-system
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list host-based-intrusion-prevention-system sudo dnf downgrade host-based-intrusion-prevention-system-<VERSION_BEFORE_r8> sudo dnf versionlock add host-based-intrusion-prevention-system
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.
ca internet security suite 2008 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 internet-security-suite-2008 || rpm -q internet-security-suite-2008 || internet-security-suite-2008 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
ca personal firewall 2007 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 personal-firewall-2007 || rpm -q personal-firewall-2007 || personal-firewall-2007 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
ca personal firewall 2008 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 personal-firewall-2008 || rpm -q personal-firewall-2008 || personal-firewall-2008 --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-2008-2926?

internet security suite: downgrade or apply the listed mitigation; host based intrusion prevention system: downgrade or apply the listed mitigation; internet security suite 2008: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-2926 being exploited?

CVE-2008-2926 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-2008-2926 affect?

CVE-2008-2926 affects internet security suite, host based intrusion prevention system, internet security suite 2008. Severity is high (CVSS 7.2). The kmxfw.sys driver in CA Host-Based Intrusion Prevention System (HIPS) r8, as used in CA Internet Security Suite and Personal Firewall, does not properly verify IOCTL requests, which allows local users to cause a denial of service (system

How urgent is CVE-2008-2926?

Priority 34/100. High severity

Related CVEs

References

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