CVE-2022-39190
First published: Fri Sep 02 2022(Updated: )
An issue was discovered in net/netfilter/nf_tables_api.c in the Linux kernel before 5.19.6. A denial of service can occur upon binding to an already bound chain.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.19.6 | |
| Debian Debian Linux | =10.0 | |
| redhat/kernel | <6.0 | 6.0 |
| ubuntu/linux | <5.15.0-53.59 | 5.15.0-53.59 |
| ubuntu/linux | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws | <5.15.0-1023.27 | 5.15.0-1023.27 |
| ubuntu/linux-aws | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-5.0 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-5.15 | <5.15.0-1023.27~20.04.1 | 5.15.0-1023.27~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-fips | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-aws-hwe | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure | <5.15.0-1023.29 | 5.15.0-1023.29 |
| ubuntu/linux-azure | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-4.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-5.15 | <5.15.0-1023.29~20.04.1 | 5.15.0-1023.29~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-edge | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-fde | <5.15.0-1024.30.1 | 5.15.0-1024.30.1 |
| ubuntu/linux-azure-fde | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1029.36~20.04.1.1 | 5.15.0-1029.36~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-azure-fips | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-bluefield | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-dell300x | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-fips | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp | <5.15.0-1022.29 | 5.15.0-1022.29 |
| ubuntu/linux-gcp | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp-4.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1022.29~20.04.1 | 5.15.0-1022.29~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gcp-fips | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gke | <5.15.0-1020.25 | 5.15.0-1020.25 |
| ubuntu/linux-gke | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gke-4.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gke-5.0 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gke-5.15 | <5.15.0-1020.25~20.04.1 | 5.15.0-1020.25~20.04.1 |
| ubuntu/linux-gke-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gke-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gkeop | <5.15.0-1008.12 | 5.15.0-1008.12 |
| ubuntu/linux-gkeop | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gkeop-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-gkeop-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-hwe | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-hwe-5.15 | <5.15.0-53.59~20.04.1 | 5.15.0-53.59~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-hwe-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-hwe-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-hwe-edge | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-ibm | <5.15.0-1018.21 | 5.15.0-1018.21 |
| ubuntu/linux-ibm | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-ibm-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-ibm-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-intel | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-intel-5.13 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-intel-iotg | <5.15.0-1018.23 | 5.15.0-1018.23 |
| ubuntu/linux-intel-iotg | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1018.23~20.04.1 | 5.15.0-1018.23~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-iot | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-kvm | <5.15.0-1021.26 | 5.15.0-1021.26 |
| ubuntu/linux-kvm | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-laptop | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-lowlatency | <5.15.0-53.59 | 5.15.0-53.59 |
| ubuntu/linux-lowlatency | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-53.59~20.04.1 | 5.15.0-53.59~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-lowlatency-hwe-5.19 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-lts-xenial | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-nvidia | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-nvidia-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-5.10 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-5.14 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-5.17 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-5.6 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-6.0 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-6.1 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-6.8 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oem-osp1 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle | <5.15.0-1022.28 | 5.15.0-1022.28 |
| ubuntu/linux-oracle | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle-5.0 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle-5.13 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1022.28~20.04.1 | 5.15.0-1022.28~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-oracle-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-raspi | <5.15.0-1018.20 | 5.15.0-1018.20 |
| ubuntu/linux-raspi | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-raspi-5.4 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-raspi2 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-riscv | <5.15.0-1023.27 | 5.15.0-1023.27 |
| ubuntu/linux-riscv | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-riscv-5.15 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-riscv-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-snapdragon | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-starfive | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-starfive-6.5 | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| ubuntu/linux-xilinx-zynqmp | <6.0~<5.15.64 | 6.0~ 5.15.64 |
| debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 6.9.12-1 |
Remedy
Ensure unprivileged user namespaces are disabled by setting the kernel.unprivileged_userns_clone sysctl to 1, preventing unprivileged users from loading netfilter rules.
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6
- https://github.com/torvalds/linux/commit/e02f0d3970404bfea385b6edb86f2d936db0ea2b
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://lore.kernel.org/all/20220824220330.64283-12-pablo@netfilter.org/
- https://twitter.com/pr0Ln
- https://launchpad.net/bugs/cve/CVE-2022-39190
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/errata/RHSA-2022:8267
- https://access.redhat.com/security/cve/cve-2022-39190
- https://bugzilla.redhat.com/show_bug.cgi?id=2129152
- https://lore.kernel.org/all/20220824220330.64283-12-pablo%40netfilter.org/
- https://git.kernel.org/linus/e02f0d3970404bfea385b6edb86f2d936db0ea2b
- https://security-tracker.debian.org/tracker/CVE-2022-39190
- https://git.kernel.org/linus/e02f0d3970404bfea385b6edb86f2d936db0ea2b (6.0-rc3)
- https://ubuntu.com/security/notices/USN-5729-1
- https://ubuntu.com/security/notices/USN-5729-2
- https://www.cve.org/CVERecord?id=CVE-2022-39190
- https://nvd.nist.gov/vuln/detail/CVE-2022-39190
- https://git.kernel.org/linus/d0e2c7de92c7f2b3d355ad76b0bb9fc43d1beb87
- https://ubuntu.com/security/CVE-2022-39190
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