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OpenAdvisories
Unscored Public exploit CVE-2022-34918 EUVD-2022-37820GHSA-9v26-h3ph-p8v7

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could …

Published Jul 4, 2022 · Updated Oct 14, 2026 · Assigned by mitre

Package: kernel Package: linux Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fips Package: linux-bluefield Package: linux-dell300x Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lts-xenial Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.8 Package: linux-snapdragon Package: linux-vmware Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.18.14-1 —
Debian 13 linux 5.18.14-1 —
Debian 12 linux 5.18.14-1 —
Debian 11 linux 5.10.127-2 DSA-5191-1
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-43.46 USN-5544-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1017.21 USN-5566-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1017.20 USN-5566-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1016.21 USN-5566-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1014.17 USN-5566-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1002.4 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1012.14 USN-5566-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1013.17 USN-5564-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1016.19 USN-5566-1
Ubuntu 22.04 LTS linux-oem-5.17 5.17.0-1014.15 USN-5545-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1016.20 USN-5566-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1013.15 USN-5566-1
Ubuntu 22.04 LTS linux-realtime +1 No fix yet —
Ubuntu 22.04 LTS linux-riscv 5.15.0-1016.18 —
Ubuntu 20.04 LTS linux 5.4.0-124.140 USN-5562-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1083.90 USN-5562-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1017.21~20.04.1 USN-5566-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1089.94 USN-5562-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1017.20~20.04.1 USN-5566-1
Ubuntu 20.04 LTS linux-azure-fde 5.4.0-1089.94+cvm1.2 USN-5582-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1044.49 USN-5562-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1086.94 USN-5562-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1016.21~20.04.1 USN-5566-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1080.86 USN-5562-1
Ubuntu 20.04 LTS linux-gke-5.15 5.15.0-1014.17~20.04.1 USN-5566-1
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1051.54 USN-5562-1
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-43.46~20.04.1 USN-5544-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1031.35 USN-5562-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1015.20~20.04.2 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1004.6 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1073.78 USN-5562-1
Ubuntu 20.04 LTS linux-oem-5.14 5.14.0-1046.53 USN-5545-1
Ubuntu 20.04 LTS linux-oracle 5.4.0-1081.89 USN-5562-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1016.20~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1068.78 USN-5562-1
Ubuntu 20.04 LTS linux-riscv +22 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1017.19~20.04.1 —
Ubuntu 18.04 LTS linux 4.15.0-191.202 USN-5560-1
Ubuntu 18.04 LTS linux-aws 4.15.0-1139.150 USN-5560-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1083.90~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1149.164 USN-5560-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1089.94~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1051.56 USN-5560-1
Ubuntu 18.04 LTS linux-gcp +12 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1134.150 USN-5560-1
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1086.94~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-gke-5.4 5.4.0-1080.86~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1051.54~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-124.140~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1031.35~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-kvm 4.15.0-1125.130 USN-5560-1
Ubuntu 18.04 LTS linux-oracle 4.15.0-1104.115 USN-5560-1
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1081.89~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1068.78~18.04.1 USN-5562-1
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1117.125 USN-5560-1
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1135.145 USN-5560-1
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 12 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1019.19 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1083.90+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1089.94+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1059.67 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1086.94+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2078.83 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2059.65 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1096.107 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2043.48 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1080.87 —
Ubuntu Pro 22.04 LTS linux +1 5.15.0-46.49 LSN-0089-1
Ubuntu Pro 22.04 LTS linux-aws 5.15.0-1017.21 LSN-0089-1
Ubuntu Pro 22.04 LTS linux-azure 5.15.0-1017.20 LSN-0089-1
Ubuntu Pro 22.04 LTS linux-gcp 5.15.0-1016.21 LSN-0089-1
Ubuntu Pro 22.04 LTS linux-gke 5.15.0-1014.17 LSN-0089-1
Ubuntu Pro 22.04 LTS linux-ibm 5.15.0-1012.14 LSN-0089-1
Ubuntu Pro 20.04 LTS linux 5.4.0-124.140 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1083.90 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1017.21~20.04.1 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1089.94 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1086.94 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1016.21~20.04.1 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-gke 5.4.0-1080.86 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-gke-5.15 5.15.0-1014.17~20.04.1 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-gkeop 5.4.0-1051.54 LSN-0089-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1031.35 LSN-0089-1
Ubuntu Pro 18.04 LTS linux 4.15.0-191.202 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1139.150 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1083.90~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1149.164 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1089.94~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1134.150 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1086.94~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-gke-5.4 5.4.0-1080.86~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-gkeop-5.4 5.4.0-1051.54~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-124.140~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1031.35~18.04.1 LSN-0089-1
Ubuntu Pro 18.04 LTS linux-oem +1 No fix yet LSN-0089-1
Ubuntu Pro 16.04 LTS linux 4.4.0-230.264 USN-5540-1, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1146.161 USN-5540-1, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1139.150~16.04.1 USN-5560-2, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1149.164~16.04.1 USN-5560-2, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1134.150~16.04.2 USN-5560-2, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-191.202~16.04.1 USN-5560-2, LSN-0089-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1111.121 USN-5540-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1104.115~16.04.1 USN-5560-2
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1110.116 USN-5540-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1149.164~14.04.1 USN-5560-2
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-230.264~14.04.1 USN-5540-1, LSN-0089-1
ReleasePackageFixed inAdvisory
RHEL 9 kernel-rt +12 5.14.0-70.26.1.rt21.98.el9_0 RHSA-2022:6582
RHEL 9 kpatch-patch-5_14_0-70_13_1 1-2.el9_0 RHSA-2022:6592
RHEL 9 kpatch-patch-5_14_0-70_17_1 +1 1-1.el9_0 RHSA-2022:6592
RHEL 9 perf +29 5.14.0-70.26.1.el9_0 RHSA-2022:6610

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 kernel-rt +11 5.14.0-70.26.1.rt21.98.el9_0 ALSA-2022:6582
AlmaLinux 9 perf +26 5.14.0-70.26.1.el9_0 ALSA-2022:6610
ReleasePackageFixed inAdvisory
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.11.1 SUSE-SU-2022:2520-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.7.1 SUSE-SU-2022:2615-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.11.1.150400.24.3.6 SUSE-SU-2022:2520-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1
SLES 15 SP3 kernel-azure +2 5.3.18-150300.38.69.1 SUSE-SU-2022:2376-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.87.1.150300.18.50.2 SUSE-SU-2022:2549-1
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 5.2 kernel-default 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.87.1.150300.18.50.2 SUSE-SU-2022:2549-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.96.1 SUSE-SU-2022:2424-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.87.1.150300.18.50.2 SUSE-SU-2022:2549-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.96.1 SUSE-SU-2022:2424-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.11.1 SUSE-SU-2022:2520-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_0 4-150400.4.9.3 SUSE-SU-2022:2854-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_1 1-150400.9.5.3 SUSE-SU-2022:2520-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_10 +1 13-150300.2.2 SUSE-SU-2022:2770-1, SUSE-SU-2022:2738-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_12 +1 12-150300.2.2 SUSE-SU-2022:2726-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_14 11-150300.2.2 SUSE-SU-2022:2726-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_15 10-150300.2.2 SUSE-SU-2022:2726-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_16 9-150300.2.2 SUSE-SU-2022:2727-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_17 6-150300.2.2 SUSE-SU-2022:2732-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_18 5-150300.2.2 SUSE-SU-2022:2759-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_19 4-150300.2.1 SUSE-SU-2022:2696-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_20 3-150300.2.1 SUSE-SU-2022:2696-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_22 1-150300.7.5.1 SUSE-SU-2022:2549-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_5 17-150300.2.2 SUSE-SU-2022:2770-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_6 +1 15-150300.2.2 SUSE-SU-2022:2770-1, SUSE-SU-2022:2766-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_9 14-150300.2.2 SUSE-SU-2022:2770-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-150300.96.1 SUSE-SU-2022:2424-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 5.18.9-2.1 openSUSE-SU-2024:13704-1, openSUSE-SU-2024:12181-1
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1, SUSE-SU-2022:2520-1
openSUSE Leap 15.4 kernel-64kb +9 5.14.21-150400.24.11.1 SUSE-SU-2022:2520-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.7.1 SUSE-SU-2022:2615-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.11.1.150400.24.3.6 SUSE-SU-2022:2520-1
openSUSE Leap 15.3 dtb-aarch64 +11 5.3.18-150300.59.87.1 SUSE-SU-2022:2549-1
openSUSE Leap 15.3 kernel-azure +2 5.3.18-150300.38.69.1 SUSE-SU-2022:2376-1
openSUSE Leap 15.3 kernel-default-base 5.3.18-150300.59.87.1.150300.18.50.2 SUSE-SU-2022:2549-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.2 kernel-default 5.3.18-150300.59.87.1 openSUSE-SU-2022:2549-1
openSUSE Leap Micro 5.2 kernel-default-base 5.3.18-150300.59.87.1.150300.18.50.2 openSUSE-SU-2022:2549-1
openSUSE Leap Micro 5.2 kernel-rt 5.3.18-150300.96.1 SUSE-SU-2022:2424-2

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.10-15.42 1.0-0.amzn2023 ALAS2023-2023-070
Amazon Linux 2023 perf +12 6.1.10-15.42.amzn2023 ALAS2023-2023-070
Amazon Linux 2 kernel-livepatch-4.14.318-240.529 1.0-0.amzn2 ALAS2-2023-2100
Amazon Linux 2 perf +8 4.14.318-240.529.amzn2 ALAS2-2023-2100

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.55.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 perf +21 5.14.0-70.26.1.0.1.el9_0 ELSA-2022-6610
Oracle Linux 8 bpftool +11 5.15.0-2.52.3.el9uek ELSA-2022-9827
Oracle Linux 8 kernel-uek-container +1 5.4.17-2136.321.4.el8 ELSA-2023-12591, ELSA-2022-9830
Oracle Linux 7 kernel-uek +5 4.1.12-124.79.2.el7uek ELSA-2023-12842, ELSA-2023-12588
Oracle Linux 7 kernel-uek-container +1 5.4.17-2136.321.4.el7 ELSA-2023-12590
Oracle Linux 7 perf +3 5.4.17-2136.321.4.el7uek ELSA-2023-12588

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

GitHub 5 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 48

References