Description
A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.15.0-72.79 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 5.15.0-1036.40 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1036.40~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1103.111~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-fips | — | — |
| linux-aws-hwe | — | 4.15.0-1156.169~16.04.1 |
| linux-azure | — | 5.15.0-1038.45 |
| linux-azure-4.15 | — | 4.15.0-1165.180 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1038.45~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1108.114~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde | — | 5.15.0-1038.45.1 |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fips | — | — |
| linux-bluefield | — | — |
| linux-fips | — | — |
| linux-gcp | — | 5.15.0-1034.42 |
| linux-gcp-4.15 | — | 4.15.0-1150.166 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1034.42~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1105.114~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-fips | — | — |
| linux-gke | — | 5.15.0-1033.38 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | 5.15.0-1033.38~20.04.1 |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1020.25 |
| linux-gkeop-5.15 | — | 5.15.0-1020.25~20.04.1 |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-72.79~20.04.1 |
| linux-hwe-5.19 | — | 5.19.0-42.43~22.04.1 |
| linux-hwe-5.4 | — | 5.4.0-149.166~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1030.33 |
| linux-ibm-5.4 | — | 5.4.0-1049.54~18.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1028.33 |
| linux-intel-iotg | — | 5.15.0-1030.35 |
| linux-intel-iotg-5.15 | — | 5.15.0-1030.35~20.04.1 |
| linux-iot | — | 5.4.0-1017.18 |
| linux-kvm | — | 5.15.0-1033.38 |
| linux-lowlatency | — | 5.15.0-72.79 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-72.79~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | 5.19.0-1024.25~22.04.1 |
| linux-lts-xenial | — | 4.4.0-243.277~14.04.1 |
| linux-nvidia | — | 5.15.0-1025.25 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1014.14~20.04.1 |
| 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 | — | 6.1.0-1008.8 |
| linux-oracle | — | 5.15.0-1035.41 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1035.41~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1101.110~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-raspi | — | 5.15.0-1029.31 |
| linux-raspi-5.4 | — | 5.4.0-1085.96~18.04.1 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | 5.15.0-1038.41 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1033.37~20.04.1 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-xilinx-zynqmp | — | 5.4.0-1024.28 |
References
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