Description
A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability. We recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.15.0-82.91 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 5.15.0-1043.48 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1043.48~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1108.116~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-6.2 | — | 6.2.0-1010.10~22.04.1 |
| linux-aws-fips | — | — |
| linux-aws-hwe | — | 4.15.0-1160.173~16.04.1 |
| linux-azure | — | 5.15.0-1045.52 |
| linux-azure-4.15 | — | 4.15.0-1169.184 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1045.52~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1115.122~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-6.2 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde | — | 5.15.0-1045.52.1 |
| linux-azure-fde-5.15 | — | — |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fips | — | — |
| linux-bluefield | — | — |
| linux-fips | — | — |
| linux-gcp | — | 5.15.0-1040.48 |
| linux-gcp-4.15 | — | 4.15.0-1154.171 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1040.48~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1111.120~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.2 | — | — |
| linux-gcp-fips | — | — |
| linux-gke | — | 5.15.0-1040.45 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1026.31 |
| linux-gkeop-5.15 | — | 5.15.0-1026.31~20.04.1 |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-82.91~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | 5.4.0-159.176~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.2 | — | 6.2.0-31.31~22.04.1 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1036.39 |
| linux-ibm-5.15 | — | 5.15.0-1036.39~20.04.1 |
| linux-ibm-5.4 | — | 5.4.0-1056.61~18.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1037.39 |
| linux-intel-iotg | — | 5.15.0-1038.43 |
| linux-intel-iotg-5.15 | — | 5.15.0-1038.43~20.04.1 |
| linux-iot | — | 5.4.0-1021.22 |
| linux-kvm | — | 5.15.0-1040.45 |
| linux-lowlatency | — | 5.15.0-82.91 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-82.91~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.2 | — | 6.2.0-1011.11~22.04.1 |
| linux-lts-xenial | — | 4.4.0-244.278~14.04.1 |
| linux-nvidia | — | 5.15.0-1031.31 |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-tegra | — | 5.15.0-1017.17 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1017.17~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1004.4 |
| 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 | — | 6.0.0-1021.21 |
| linux-oem-6.1 | — | 6.1.0-1019.19 |
| linux-oracle | — | 5.15.0-1041.47 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1041.47~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1107.116~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-raspi | — | 5.15.0-1036.39 |
| linux-raspi-5.4 | — | 5.4.0-1092.103~18.04.1 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | 5.15.0-1044.49 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1039.43~20.04.2 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-starfive-5.19 | — | — |
| linux-xilinx-zynqmp | — | 5.15.0-1025.29 |
References
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