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CVE-2005-0207: Unknown vulnerability in Linux kernel 2.4.x, 2.5.x, and 2.6.x allows NFS clients to cause a denial of service

21
Routine
LOW 2.1WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2005-0207 is a low-severity flaw (CVSS 2.1) affecting linux, linux kernel, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unknown vulnerability in Linux kernel 2.4.x, 2.5.x, and 2.6.x allows NFS clients to cause a denial of service via O_DIRECT.

Why this priority

  • On your watchlist

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

Risk facts

CVSS score2.1 (Low)
EPSS exploit chance0.4% (top 65%)
CISA exploited listNo
Published2005-05-02
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: conectiva · linux · redhat · suse

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

conectiva linux MITIGATE
Affected: 10.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 10.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
linux linux kernel MITIGATE
Affected: 2.4.0 · 2.4.0 test1 · 2.4.0 test10 · 2.4.0 test11 · 2.4.0 test12 · 2.4.0 test2 · 2.4.0 test3 · 2.4.0 test4
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Downgrade not recommended
This is a core system component: downgrading can break the OS. Apply the distro update or the vendor mitigation.
redhat enterprise linux MITIGATE
Affected: 4.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat enterprise linux desktop MITIGATE
Affected: 4.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse suse linux MITIGATE
Affected: 1.0 · 8 · 8.1 · 8.2 · 9.0 · 9.1 · 9.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2005-0207?

linux: mitigate or apply the listed mitigation; linux kernel: mitigate or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0207 being exploited?

CVE-2005-0207 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-2005-0207 affect?

CVE-2005-0207 affects linux, linux kernel, enterprise linux. Severity is low (CVSS 2.1). Unknown vulnerability in Linux kernel 2.4.x, 2.5.x, and 2.6.x allows NFS clients to cause a denial of service via O_DIRECT.

How urgent is CVE-2005-0207?

Priority 21/100. On your watchlist

Software pages

Linux kernel vulnerabilities

Related CVEs

References

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