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Vulnerability · Published Jun 24, 2026 · Assigned by Linux

CVE-2026-52988netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

High 7.1

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 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.1%top 99.1% 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: join hook list via splice_list_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.190-1DEBIAN-CVE-2026-52988
Debian:13linux6.12.113-1DEBIAN-CVE-2026-52988
Debian:14linux7.0.10-1DEBIAN-CVE-2026-52988
Debian:12linux-6.126.12.113-1~deb12u1DEBIAN-CVE-2026-52988
Ubuntu:22.04:LTSlinux5.15.0-202.212UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux7.0.0-28.28UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-aws5.15.0-1119.126UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-aws7.0.0-1009.9UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure5.15.0-1125.134UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-azure7.0.0-1010.10UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-7.07.0.0-1014.14~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1124.133UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-azure-fde7.0.0-1009.9UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-fde-7.07.0.0-1013.13~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gcp5.15.0-1120.130UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-gcp7.0.0-1008.8UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gcp-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gke5.15.0-1115.121UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-gke7.0.0-1003.4UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1102.110UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-28.28~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-ibm5.15.0-1113.117UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-ibm7.0.0-1010.10UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1114.120UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-kvm5.15.0-1111.116UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-197.207UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1114.115UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-nvidia7.0.0-1016.16UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidia-7.07.0.0-1016.16~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-nvidia-bos7.0.0-2016.16UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1070.72UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1035.38UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1059.59UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1009.9UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oracle5.15.0-1116.122UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-oracle7.0.0-1008.8UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-oracle-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-raspi7.0.0-1015.15UBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-realtime7.0.0-28.28.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-52988
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2026-52988
Ubuntu:26.04:LTSlinux-riscv7.0.0-28.28.1UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-28.28.1~24.04.3UBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-52988
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-52988
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-52988

Affected products (as reported)

VendorProductVersions
Linux Linux 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before ed8d3bd8272e49ea987100de2abfb13710329a9b78d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before 8fdd2204503ab1ce07dc000c277e2c3edf96a67b78d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before 5593c640f9daedec8de61555c41e1019fa675aa678d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before 00e370627f2e1fb3585f9d26348b1abddc75442b78d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before 28ecfb3d1fe8dea70319de7051cb6718c25b5b5278d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before a557816c6e38e9473d99aa9ea8c662f55fc8584778d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before 1346be9379639c30877083b12747d4eacb83c24f78d9f48f7f44431a25da2b46b3a8812f6ff2b981 – before a6134e62dba2ea4f760b29d5226907f447c92400
Linux Linux 5.8

Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References