Skip to content
Back to search

CVE-1999-1341

MEDIUM
4.6NVD

Summary

generated automatically from NVD data

The Linux kernel, in versions before 2.3.18 or 2.2.13pre15 and built with the SLIP and PPP options, contains a flaw in how the TIOCSETD option is handled on tty devices. A local user without privileges can exploit it to forge IP packets. The issue is rated MEDIUM, with a CVSS v2.0 score of 4.6 and a local attack vector.

NVD 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.

Share:

EPSS · FIRST.org

0.40%probability of exploitation in the next 30 days

Higher than 34% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-30, recomputed daily by FIRST.org.

CVSS v2.0 Score

4.6
/ 10.0
MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P

Information

Published
22 oct. 1999
Updated
16 juin 2026
Status
Modified
Source
cve@mitre.org

Affected products

linux linux kernelAll Linux Kernel CVEs →
Versions ≥ 2.2.0, ≤ 2.2.13 · ≥ 2.3.0, < 2.3.18

Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.

Weaknesses (CWE)

NVD-CWE-Other

Similar CVEs

Other vulnerabilities of type

…

Running Linux servers? Know which CVEs hit your version.

Add the product and its version: cveo.tech lists the CVEs that affect it right away, then alerts you by email when a new one affects it — including before NVD has finished its analysis. Free, an account is all it takes.