CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
CISA-ADPADP
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
VendorProductVersion
linuxlayer_2_tunneling_protocol
𝑥
< 6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-42.43
released
jammy
Fixed 5.15.0-70.77
released
focal
Fixed 5.4.0-147.164
released
bionic
ignored
xenial
ignored
trusty
ignored
linux-allwinner
noble
dne
mantic
dne
lunar
not-affected
kinetic
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-allwinner-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1012.12~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1025.26
released
jammy
Fixed 5.15.0-1034.38
released
focal
Fixed 5.4.0-1100.108
released
bionic
ignored
xenial
ignored
trusty
ignored
linux-aws-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1034.38~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1100.108~18.04.1
released
xenial
dne
trusty
dne
linux-aws-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-hwe
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
linux-azure
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1026.29
released
jammy
Fixed 5.15.0-1036.43
released
focal
Fixed 5.4.0-1106.112
released
bionic
ignored
xenial
ignored
trusty
ignored
linux-azure-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1036.43~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1026.29~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1106.112~18.04.1
released
xenial
dne
trusty
dne
linux-azure-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-edge
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-fde
kinetic
dne
jammy
Fixed 5.15.0-1036.43.1
released
focal
Fixed 5.4.0-1106.112
released
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1036.43~20.04.1.1
released
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1026.29~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-bluefield
kinetic
dne
jammy
dne
focal
Fixed 5.4.0-1062.68
released
bionic
dne
xenial
dne
trusty
dne
linux-dell300x
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-fips
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
ignored
linux-gcp
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1024.26
released
jammy
Fixed 5.15.0-1032.40
released
focal
Fixed 5.4.0-1103.112
released
bionic
ignored
xenial
ignored
trusty
dne
linux-gcp-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1032.40~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1024.26~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1103.112~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gke
noble
not-affected
kinetic
dne
jammy
Fixed 5.15.0-1031.36
released
focal
Fixed 5.4.0-1097.104
released
bionic
dne
xenial
ignored
trusty
dne
linux-gke-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1031.36~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-gke-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gkeop
kinetic
dne
jammy
Fixed 5.15.0-1018.23
released
focal
Fixed 5.4.0-1067.71
released
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1018.23~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-hwe
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-hwe-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-70.77~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-42.43~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-147.164~18.04.1
released
xenial
dne
trusty
dne
linux-hwe-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-ibm
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1022.24
released
jammy
Fixed 5.15.0-1028.31
released
focal
Fixed 5.4.0-1047.52
released
bionic
dne
xenial
dne
trusty
dne
linux-ibm-5.15
noble
dne
mantic
dne
lunar
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-ibm-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1047.52~18.04.1
released
xenial
dne
trusty
dne
linux-intel
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-intel-iot-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg
kinetic
dne
jammy
Fixed 5.15.0-1028.33
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1030.35~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-iot
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
Fixed 5.4.0-1017.18
released
bionic
dne
xenial
dne
trusty
dne
linux-kvm
noble
dne
mantic
dne
lunar
not-affected
kinetic
Fixed 5.19.0-1023.24
released
jammy
Fixed 5.15.0-1031.36
released
focal
Fixed 5.4.0-1089.95
released
bionic
ignored
xenial
ignored
trusty
dne
linux-laptop
noble
dne
mantic
not-affected
lunar
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1024.25
released
jammy
Fixed 5.15.0-70.77
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-70.77~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1024.25~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
ignored
linux-nvidia
noble
not-affected
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.15.0-1023.23
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-lowlatency
noble
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-oem-5.10
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.14
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.17
noble
dne
mantic
dne
lunar
dne
kinetic
ignored
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.6
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.0
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.1
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.8
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1023.26
released
jammy
Fixed 5.15.0-1033.39
released
focal
Fixed 5.4.0-1099.108
released
bionic
ignored
xenial
ignored
trusty
dne
linux-oracle-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.15
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1033.39~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1099.108~18.04.1
released
xenial
dne
trusty
dne
linux-oracle-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1018.25
released
jammy
Fixed 5.15.0-1027.29
released
focal
Fixed 5.4.0-1083.94
released
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 5.4.0-1083.94~18.04.1
released
xenial
dne
trusty
dne
linux-raspi-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
kinetic
dne
jammy
dne
focal
ignored
bionic
ignored
xenial
ignored
trusty
dne
linux-raspi2-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-realtime
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1018.19
released
jammy
ignored
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
Fixed 5.15.0-1031.35~20.04.1
released
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-starfive
noble
dne
mantic
not-affected
lunar
Fixed 6.2.0-1002.2
released
kinetic
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-xilinx-zynqmp
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
Fixed 5.4.0-1024.28
released
bionic
dne
xenial
dne
trusty
dne