Vulnerability · Published May 1, 2024 · Assigned by Linux
CVE-2024-27020netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()
High 7.8
In plain English
A high-severity race condition in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 87.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_tables_expressions list in __nft_expr_type_get(). Therefore, there is potential data-race of nf_tables_expressions list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_expressions list in __nft_expr_type_get(), and use rcu_read_lock() in the caller nft_expr_type_get() to protect the entire type query process.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | bpftool | 7.3.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-doc | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-headers | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-tools | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | libperf | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | perf | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | python3-perf | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | rtla | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux:9 | rv | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
| Debian:12 | linux | 6.1.90-1 | DEBIAN-CVE-2024-27020 |
| Debian:12 | linux | 6.1.90-1 | DSA-5680-1 |
| Debian:13 | linux | 6.8.9-1 | DEBIAN-CVE-2024-27020 |
| Debian:14 | linux | 6.8.9-1 | DEBIAN-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux | 5.15.0-116.126 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux | 6.8.0-38.38 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1065.71 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1011.12 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1011.12~22.04.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1068.77 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1010.10 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1068.77.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1064.72 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1010.11 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1062.68 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1006.9 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1048.55 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1058.61 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1008.8 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-intel | 6.8.0-1007.14 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1060.66 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1062.67 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-116.126 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-38.38.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1060.61 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1009.9 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1009.9~22.04.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1026.26 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1015.15 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1008.8 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1063.69 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1008.8 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1008.8~22.04.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1058.61 | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1007.7 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-38.38.1 | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-27020 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1035.39 | UBUNTU-CVE-2024-27020 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | ef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before 939109c0a8e2a006a6cc8209e262d25065f4403aef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before b38a133d37fa421c8447b383d788c9cc6f5cb34cef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before 934e66e231cff2b18faa2c8aad0b8cec13957e05ef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before 0b6de00206adbbfc6373b3ae38d2a6f197987907ef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before 8d56bad42ac4c43c6c72ddd6a654a2628bf839c5ef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before a9ebf340d123ae12582210407f879d6a5a1bc25bef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before 01f1a678b05ade4b1248019c2dcca773aebbeb7fef1f7df9170dbd875ce198ba84e6ab80f6fc139e – before f969eb84ce482331a991079ab7a5c4dc3b7f89bf |
| Linux | Linux | 3.13 |
Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a
- https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c
- https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05
- https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907
- https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5
- https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b
- https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f
- https://git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html