CVE-2000-0867: Kernel logging daemon (klogd) in Linux does not properly cleanse user-injected format strings, which allows lo

Routine

HIGH 7.2WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2000-0867 is a high-severity flaw (CVSS 7.2) affecting debian linux, mandrake linux, linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kernel logging daemon (klogd) in Linux does not properly cleanse user-injected format strings, which allows local users to gain root privileges by triggering malformed kernel messages.

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 65%)
CISA exploited list	No
Published	2000-11-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: debian · mandrakesoft · redhat · slackware · trustix

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

Am I affected?

Timeline

2000-11-14 05:00 UTCPublished CVE record published
2026-06-16 21:52 UTCUpdated Record last modified

debian debian linux MITIGATE

Affected: 2.1 · 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

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.

mandrakesoft mandrake linux MITIGATE

Affected: 6.0 · 6.1 · 7.0 · 7.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

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 linux MITIGATE

Affected: 5.2 · 6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2

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.

slackware slackware linux MITIGATE

Affected: all versions

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.

trustix secure linux MITIGATE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

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-2000-0867?

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

Is CVE-2000-0867 being exploited?

CVE-2000-0867 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-2000-0867 affect?

CVE-2000-0867 affects debian linux, mandrake linux, linux. Severity is high (CVSS 7.2). Kernel logging daemon (klogd) in Linux does not properly cleanse user-injected format strings, which allows local users to gain root privileges by triggering malformed kernel messages.

How urgent is CVE-2000-0867?

Priority 39/100. High severity; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2023-4194 MEDIUM 5.5 UPGRADE MITIGATE A flaw was found in the Linux kernel's TUN/TAP functionality
CVE-2023-5197 HIGH 7.8 MITIGATE UPGRADE A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achiev
CVE-2023-1077 HIGH 7.0 UPGRADE MITIGATE In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condit
CVE-2022-48560 HIGH 7.5 UPGRADE MITIGATE A use-after-free exists in Python through 3.9 via heappushpop in heapq.
CVE-2022-36280 MEDIUM 6.3 UPGRADE MITIGATE An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.

References

← Back to latest CVEs