CVE-2022-49727

ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg

Medium · published February 26, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
19.4
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg

When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be

overflow. To fix, we can follow what udpv6 does and subtract the

transhdrlen from the max.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00280 · 19.4th percentile
Published
2025-02-26T02:24Z
EPSS history
Timeline
  • 26 FEB 02:24Z
    ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
    cvelistv5