Description
In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.
Details
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.15.0-75.82 |
| linux-aws | — | 5.15.0-1038.43 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1038.43~20.04.1 |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1104.112~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-fips | — | — |
| linux-aws-hwe | — | — |
| linux-azure | — | 5.15.0-1040.47 |
| linux-azure-4.15 | — | — |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1040.47~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1110.116~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde | — | 5.15.0-1041.48.1 |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fips | — | — |
| linux-bluefield | — | — |
| linux-fips | — | — |
| linux-gcp | — | 5.15.0-1036.44 |
| linux-gcp-4.15 | — | — |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1036.44~20.04.1 |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1107.116~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-fips | — | — |
| linux-gke | — | 5.15.0-1036.41 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | 5.15.0-1036.41~20.04.1 |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1022.27 |
| linux-gkeop-5.15 | — | 5.15.0-1022.27~20.04.1 |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-75.82~20.04.1 |
| linux-hwe-5.19 | — | 5.19.0-45.46~22.04.1 |
| linux-hwe-5.4 | — | 5.4.0-152.169~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1032.35 |
| linux-ibm-5.4 | — | 5.4.0-1051.56~18.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1033.35 |
| linux-intel-iotg | — | 5.15.0-1033.38 |
| linux-intel-iotg-5.15 | — | 5.15.0-1033.38~20.04.1 |
| linux-iot | — | 5.4.0-1017.18 |
| linux-kvm | — | 5.15.0-1035.40 |
| linux-lowlatency | — | 5.15.0-75.82 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-75.82~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lts-xenial | — | — |
| linux-nvidia | — | 5.15.0-1027.27 |
| linux-nvidia-tegra | — | 5.15.0-1015.15 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1015.15~20.04.1 |
| 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 | — | 6.1.0-1009.9 |
| linux-oracle | — | 5.15.0-1037.43 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1037.43~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1103.112~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-raspi | — | 5.15.0-1032.35 |
| linux-raspi-5.4 | — | 5.4.0-1088.99~18.04.1 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | 5.15.0-1040.45 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1035.39~20.04.1 |
| linux-riscv-5.8 | — | — |
| linux-xilinx-zynqmp | — | 5.4.0-1024.28 |
References
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