CVE-2022-49727

MEDIUM

Linux Kernel - Integer Overflow in l2tp_ip6_sendmsg

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0027
EPSS Percentile 17.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-190
Status published
Products (27)
linux/Kernel 3.5.0 - 4.9.320linux
linux/Kernel 4.10.0 - 4.14.285linux
linux/Kernel 4.15.0 - 4.19.249linux
linux/Kernel 4.20.0 - 5.4.200linux
linux/Kernel 5.11.0 - 5.15.49linux
linux/Kernel 5.16.0 - 5.18.6linux
linux/Kernel 5.5.0 - 5.10.124linux
Linux/Linux < 3.5
Linux/Linux 3.5
Linux/Linux 4.14.285 - 4.14.*
... and 17 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026