CVE-2022-49727

MEDIUM EPSS 17.9%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
17.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel* <4.9.320
linuxlinux_kernel*≥4.10  –  <4.14.285
linuxlinux_kernel*≥4.15  –  <4.19.249
linuxlinux_kernel*≥4.20  –  <5.4.200
linuxlinux_kernel*≥5.5  –  <5.10.124
linuxlinux_kernel*≥5.11  –  <5.15.49
linuxlinux_kernel*≥5.16  –  <5.18.6
linuxlinux_kernel5.19any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915
    Patch