Description
In the Linux kernel, the following vulnerability has been resolved: media: vidtv: initialize local pointers upon transfer of memory ownership vidtv_channel_si_init() creates a temporary list (program, service, event) and ownership of the memory itself is transferred to the PAT/SDT/EIT tables through vidtv_psi_pat_program_assign(), vidtv_psi_sdt_service_assign(), vidtv_psi_eit_event_assign(). The problem here is that the local pointer where the memory ownership transfer was completed is not initialized to NULL. This causes the vidtv_psi_pmt_create_sec_for_each_pat_entry() function to fail, and in the flow that jumps to free_eit, the memory that was freed by vidtv_psi_*_table_destroy() can be accessed again by vidtv_psi_*_event_destroy() due to the uninitialized local pointer, so it is freed once again. Therefore, to prevent use-after-free and double-free vulnerability, local pointers must be initialized to NULL when transferring memory ownership.
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 6.17.0-22.22 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 6.17.0-1012.12 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1103.110~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.8 | — | — |
| linux-aws-6.14 | — | — |
| linux-aws-6.17 | — | 6.17.0-1012.12~24.04.1 |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-6.8 | — | 6.8.0-1052.55~22.04.1 |
| linux-aws-fips | — | 6.8.0-1052.55+fips1 |
| linux-azure | — | 6.17.0-1013.13 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1110.119~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.8 | — | — |
| linux-azure-6.11 | — | — |
| linux-azure-6.14 | — | — |
| linux-azure-6.17 | — | 6.17.0-1013.13~24.04.1 |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | — |
| linux-azure-6.8 | — | — |
| 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 | — | 6.8.0-1053.59+fips1 |
| linux-azure-nvidia | — | — |
| linux-azure-nvidia-6.14 | — | — |
| linux-bluefield | — | — |
| linux-fips | — | 6.8.0-110.110+fips2 |
| linux-gcp | — | 6.17.0-1012.12 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1103.112~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.11 | — | — |
| linux-gcp-6.14 | — | — |
| linux-gcp-6.17 | — | 6.17.0-1012.12~24.04.1 |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | — |
| linux-gcp-6.8 | — | 6.8.0-1054.57~22.04.1 |
| linux-gcp-fips | — | 6.8.0-1054.57+fips1 |
| linux-gke | — | 6.8.0-1050.56 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 6.8.0-1037.40 |
| linux-gkeop-5.15 | — | — |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-173.183~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.11 | — | — |
| linux-hwe-6.14 | — | — |
| linux-hwe-6.17 | — | 6.17.0-22.22~24.04.1 |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | — |
| linux-hwe-6.8 | — | 6.8.0-110.110~22.04.1 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 6.8.0-1051.51 |
| linux-ibm-5.15 | — | 5.15.0-1097.100~20.04.1 |
| linux-ibm-6.8 | — | 6.8.0-1051.51~22.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1094.96 |
| linux-intel-iotg | — | 5.15.0-1098.104 |
| linux-intel-iotg-5.15 | — | 5.15.0-1098.104~20.04.1 |
| linux-kvm | — | 5.15.0-1095.100 |
| linux-lowlatency | — | 6.8.0-110.110.1 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-173.183~20.04.1 |
| 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 | — | 6.8.0-110.110.1~22.04.1 |
| linux-nvidia | — | 6.8.0-1051.54 |
| linux-nvidia-6.11 | — | — |
| linux-nvidia-6.17 | — | 6.17.0-1018.18 |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | — |
| linux-nvidia-6.8 | — | 6.8.0-1051.54~22.04.1 |
| linux-nvidia-lowlatency | — | 6.8.0-1051.54.1 |
| linux-nvidia-tegra | — | 6.8.0-1022.22 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1055.55~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1044.44 |
| 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 | — | — |
| linux-oem-6.17 | — | 6.17.0-1020.20 |
| linux-oem-6.5 | — | — |
| linux-oem-6.8 | — | — |
| linux-oracle | — | 6.17.0-1011.11 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1100.106~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.14 | — | — |
| linux-oracle-6.17 | — | 6.17.0-1011.11~24.04.1 |
| linux-oracle-6.5 | — | — |
| linux-oracle-6.8 | — | 6.8.0-1049.50~22.04.1 |
| linux-raspi | — | 6.17.0-1013.13 |
| linux-raspi-realtime | — | 6.8.0-2042.43 |
| linux-raspi2 | — | — |
| linux-realtime | — | 6.17.0-1010.11 |
| linux-realtime-6.14 | — | — |
| linux-realtime-6.17 | — | 6.17.0-1010.11~24.04.1 |
| linux-realtime-6.8 | — | 6.8.1-1047.48~22.04.1 |
| linux-riscv | — | 6.17.0-22.22.1 |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1097.101~20.04.1 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.14 | — | — |
| linux-riscv-6.17 | — | 6.17.0-22.22.1~24.04.1 |
| linux-riscv-6.5 | — | — |
| linux-riscv-6.8 | — | 6.8.0-110.110~22.04.1 |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | — |
| linux-xilinx | — | 6.8.0-1028.29 |
| linux-xilinx-zynqmp | — | 5.15.0-1067.71 |
References
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