Description
In the Linux kernel, the following vulnerability has been resolved: ipvs: Defer ip_vs_ftp unregister during netns cleanup On the netns cleanup path, __ip_vs_ftp_exit() may unregister ip_vs_ftp before connections with valid cp->app pointers are flushed, leading to a use-after-free. Fix this by introducing a global `exiting_module` flag, set to true in ip_vs_ftp_exit() before unregistering the pernet subsystem. In __ip_vs_ftp_exit(), skip ip_vs_ftp unregister if called during netns cleanup (when exiting_module is false) and defer it to __ip_vs_cleanup_batch(), which unregisters all apps after all connections are flushed. If called during module exit, unregister ip_vs_ftp immediately.
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 6.17.0-8.8 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 6.17.0-1005.5 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1098.105~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1153.163~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-6.14 | — | 6.14.0-1018.18~24.04.1 |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-6.8 | — | 6.8.0-1044.46~22.04.1 |
| linux-aws-fips | — | 6.8.0-1044.46+fips1 |
| linux-aws-hwe | — | 4.15.0-1187.200~16.04.1 |
| linux-azure | — | 6.17.0-1006.6 |
| linux-azure-4.15 | — | 4.15.0-1195.210 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1102.111~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1156.163~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-6.11 | — | — |
| linux-azure-6.14 | — | 6.14.0-1017.17~24.04.1 |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | — |
| linux-azure-6.8 | — | 6.8.0-1044.50~22.04.1 |
| linux-azure-edge | — | — |
| linux-azure-fde | — | — |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.14 | — | — |
| linux-azure-fde-6.17 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fde-6.8 | — | — |
| linux-azure-fips | — | 6.8.0-1044.50+fips1 |
| linux-azure-nvidia | — | 6.8.0-1029.32 |
| linux-azure-nvidia-6.14 | — | — |
| linux-bluefield | — | — |
| linux-fips | — | 6.8.0-90.91+fips1 |
| linux-gcp | — | 6.17.0-1005.5 |
| linux-gcp-4.15 | — | 4.15.0-1180.197 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1098.107~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1156.165~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.11 | — | — |
| linux-gcp-6.14 | — | — |
| linux-gcp-6.17 | — | 6.17.0-1008.8~24.04.1 |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | — |
| linux-gcp-6.8 | — | 6.8.0-1045.48~22.04.1 |
| linux-gcp-fips | — | 6.8.0-1045.48+fips1 |
| linux-gke | — | 6.8.0-1041.46 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 6.8.0-1028.31 |
| linux-gkeop-5.15 | — | — |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-164.174~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | 5.4.0-224.244~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.11 | — | — |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | — |
| linux-hwe-6.8 | — | 6.8.0-90.91~22.04.1 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 6.8.0-1042.42 |
| linux-ibm-5.15 | — | 5.15.0-1092.95~20.04.1 |
| linux-ibm-5.4 | — | 5.4.0-1099.104~18.04.1 |
| linux-ibm-6.8 | — | 6.8.0-1042.42~22.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1090.92 |
| linux-intel-iotg | — | 5.15.0-1093.99 |
| linux-intel-iotg-5.15 | — | 5.15.0-1093.99~20.04.1 |
| linux-iot | — | 5.4.0-1057.60 |
| linux-kvm | — | 5.15.0-1090.95 |
| linux-lowlatency | — | 6.8.0-90.91.1 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-164.174~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.11 | — | — |
| linux-lowlatency-hwe-6.2 | — | — |
| linux-lowlatency-hwe-6.5 | — | — |
| linux-lowlatency-hwe-6.8 | — | 6.8.0-90.91.1~22.04.1 |
| linux-lts-xenial | — | 4.4.0-276.310~14.04.1 |
| linux-nvidia | — | 6.8.0-1044.47 |
| linux-nvidia-6.11 | — | — |
| linux-nvidia-6.17 | — | 6.17.0-1008.8 |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | — |
| linux-nvidia-6.8 | — | 6.8.0-1044.47~22.04.1 |
| linux-nvidia-lowlatency | — | 6.8.0-1044.47.1 |
| linux-nvidia-tegra | — | 6.8.0-1020.20 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1050.50~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1039.39 |
| linux-oem | — | — |
| linux-oem-5.10 | — | — |
| linux-oem-5.13 | — | — |
| linux-oem-5.14 | — | — |
| linux-oem-5.17 | — | — |
| linux-oem-5.6 | — | — |
| linux-oem-6.0 | — | — |
| linux-oem-6.1 | — | — |
| linux-oem-6.11 | — | — |
| linux-oem-6.14 | — | 6.14.0-1017.17 |
| linux-oem-6.17 | — | 6.17.0-1008.8 |
| linux-oem-6.5 | — | — |
| linux-oem-6.8 | — | — |
| linux-oracle | — | 6.17.0-1005.5 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1095.101~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1151.161~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.14 | — | — |
| linux-oracle-6.17 | — | 6.17.0-1007.7~24.04.1 |
| linux-oracle-6.5 | — | — |
| linux-oracle-6.8 | — | 6.8.0-1041.42~22.04.1 |
| linux-raspi | — | 6.17.0-1006.6 |
| linux-raspi-5.4 | — | 5.4.0-1136.149~18.04.1 |
| linux-raspi-realtime | — | 6.8.0-2035.36 |
| linux-raspi2 | — | — |
| linux-realtime | — | 6.17.0-1004.5 |
| linux-realtime-6.14 | — | 6.14.0-1017.17~24.04.1 |
| linux-realtime-6.8 | — | 6.8.1-1039.40~22.04.1 |
| linux-riscv | — | 6.17.0-8.8.1 |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1093.97~20.04.2 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.14 | — | 6.14.0-37.37.1~24.04.1 |
| linux-riscv-6.5 | — | — |
| linux-riscv-6.8 | — | 6.8.0-90.91~22.04.1 |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | — |
| linux-xilinx | — | 6.8.0-1021.22 |
| linux-xilinx-zynqmp | — | 5.15.0-1062.66 |
References
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