What’s Vulnerable › Vulnerabilities

CVE-2001-1398

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-04-17 · updated 2026-06-16

Description

Masquerading code for Linux kernel before 2.2.19 does not fully check packet lengths in certain cases, which may lead to a vulnerability.

Affected products

• Linux kernel: through 2.2.19

References

• http://marc.info/?l=bugtraq&m=98575345009963&w=2
• http://marc.info/?l=bugtraq&m=98637996127004&w=2
• http://marc.info/?l=bugtraq&m=98653252326445&w=2
• http://marc.info/?l=bugtraq&m=98684172109474&w=2
• http://marc.info/?l=bugtraq&m=98759029811377&w=2
• http://marc.info/?l=bugtraq&m=98775114228203&w=2
• http://marc.info/?l=bugtraq&m=99013830726309&w=2
• http://www.linux.org.uk/VERSION/relnotes.2219.html
• http://www.redhat.com/support/errata/RHSA-2001-047.html
• https://www.debian.org/security/2001/dsa-047
• http://marc.info/?l=bugtraq&m=98575345009963&w=2
• http://marc.info/?l=bugtraq&m=98637996127004&w=2

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