How severe is CVE-2001-1399?

CVE-2001-1399 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2001-1399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1399?

CVE-2001-1399 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-1399 published?

CVE-2001-1399 was published on 2001-04-17 and last updated on 2026-06-16.

CVE-2001-1399

CVE-2001-1399 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 2001-04-17
Last modified: 2026-06-16

Description

Certain operations in Linux kernel before 2.2.19 on the x86 architecture copy the wrong number of bytes, which might allow attackers to modify memory, aka "User access asm bug on x86."

Frequently asked questions

What is CVE-2001-1399?: Certain operations in Linux kernel before 2.2.19 on the x86 architecture copy the wrong number of bytes, which might allow attackers to modify memory, aka "User access asm bug on x86."
How severe is CVE-2001-1399?: CVE-2001-1399 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2001-1399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1399?: CVE-2001-1399 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1399 published?: CVE-2001-1399 was published on 2001-04-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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