CVE-1999-1341

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 1999-10-22 · updated 2026-06-16

Description

Linux kernel before 2.3.18 or 2.2.13pre15, with SLIP and PPP options, allows local unprivileged users to forge IP packets via the TIOCSETD option on tty devices.

Affected products

Linux kernel: from 2.2.0 through 2.2.13; from 2.3.0 before 2.3.18 — fixed in 2.3.18

How to fix

Upgrade to a fixed version: Linux kernel 2.3.18. Check the vendor advisory for mitigations.

References

http://marc.info/?l=bugtraq&m=94061108411308&w=2
https://exchange.xforce.ibmcloud.com/vulnerabilities/7858
http://marc.info/?l=bugtraq&m=94061108411308&w=2
https://exchange.xforce.ibmcloud.com/vulnerabilities/7858

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