🛡️ CVE-2023-54168 on Ubuntu — linux
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Prevent shift wrapping in set_user_sq_size() The ucmd->log_sq_bb_count variable is controlled by the user so this shift can wrap. Fix it by using check_shl_overflow() in the same way that it was done in commit 515f60004ed9 ("RDMA/hns: Prevent undefined behavior in hns_roce_set_user_sq_size()").
Distribution advisory
This page covers CVE-2023-54168 as tracked by Ubuntu, for the package linux. The fix is available in version 5.15.0-79.86; earlier versions remain affected.
Affected software and timeline
Affected software: linux (fixed in 5.15.0-79.86), linux-allwinner-5.19, linux-aws (fixed in 5.15.0-1042.47), linux-aws-5.0, linux-aws-5.11, linux-aws-5.13, linux-aws-5.15 (fixed in 5.15.0-1041.46~20.04.1), linux-aws-5.19, linux-aws-5.3, linux-aws-5.4 (fixed in 5.4.0-1109.118~18.04.1), linux-aws-5.8, linux-aws-6.2, linux-aws-6.5, linux-aws-fips, linux-aws-hwe, linux-azure (fixed in 5.15.0-1045.52), linux-azure-4.15, linux-azure-5.11, linux-azure-5.13, linux-azure-5.15 (fixed in 5.15.0-1045.52~20.04.1), linux-azure-5.19, linux-azure-5.3, linux-azure-5.4 (fixed in 5.4.0-1115.122~18.04.1), linux-azure-5.8, linux-azure-6.11, linux-azure-6.2, linux-azure-6.5, linux-azure-edge, linux-azure-fde, linux-azure-fde-5.19, linux-azure-fde-6.2, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp (fixed in 5.15.0-1039.47), linux-gcp-4.15, linux-gcp-5.11, linux-gcp-5.13, linux-gcp-5.15 (fixed in 5.15.0-1039.47~20.04.1), linux-gcp-5.19, linux-gcp-5.3, linux-gcp-5.4 (fixed in 5.4.0-1112.121~18.04.1), linux-gcp-5.8, linux-gcp-6.11, linux-gcp-6.2, linux-gcp-6.5, linux-gcp-fips, linux-gke (fixed in 5.15.0-1039.44), linux-gke-4.15, linux-gke-5.15, linux-gke-5.4, linux-gkeop (fixed in 5.15.0-1025.30), linux-gkeop-5.15, linux-gkeop-5.4, linux-hwe, linux-hwe-5.11, linux-hwe-5.13, linux-hwe-5.15 (fixed in 5.15.0-79.86~20.04.2), linux-hwe-5.19, linux-hwe-5.4 (fixed in 5.4.0-162.179~18.04.1), linux-hwe-5.8, linux-hwe-6.11, linux-hwe-6.2, linux-hwe-6.5, linux-hwe-edge, linux-ibm (fixed in 5.15.0-1035.38), linux-ibm-5.15 (fixed in 5.15.0-1036.39~20.04.1), linux-ibm-5.4 (fixed in 5.4.0-1056.61~18.04.1), linux-intel-5.13, linux-intel-iot-realtime (fixed in 5.15.0-1036.38), linux-intel-iotg (fixed in 5.15.0-1037.42), linux-intel-iotg-5.15 (fixed in 5.15.0-1037.42~20.04.1), linux-iot (fixed in 5.4.0-1021.22), linux-kvm (fixed in 5.15.0-1039.44), linux-lowlatency (fixed in 5.15.0-79.88), linux-lowlatency-hwe-5.15 (fixed in 5.15.0-79.88~20.04.1), linux-lowlatency-hwe-5.19, linux-lowlatency-hwe-6.11, linux-lowlatency-hwe-6.2, linux-lowlatency-hwe-6.5, linux-lts-xenial, linux-nvidia (fixed in 5.15.0-1030.30), linux-nvidia-6.11, linux-nvidia-6.2, linux-nvidia-6.5, linux-nvidia-tegra (fixed in 5.15.0-1016.16), linux-nvidia-tegra-5.15 (fixed in 5.15.0-1016.16~20.04.1), linux-nvidia-tegra-igx (fixed in 5.15.0-1002.2), 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-6.5, linux-oem-6.8, linux-oracle (fixed in 5.15.0-1040.46), linux-oracle-5.0, linux-oracle-5.11, linux-oracle-5.13, linux-oracle-5.15 (fixed in 5.15.0-1040.46~20.04.1), linux-oracle-5.3, linux-oracle-5.4 (fixed in 5.4.0-1108.117~18.04.1), linux-oracle-5.8, linux-oracle-6.5, linux-raspi (fixed in 5.15.0-1035.38), linux-raspi-5.4 (fixed in 5.4.0-1093.104~18.04.1), linux-raspi-realtime, linux-raspi2, linux-realtime, linux-riscv, linux-riscv-5.11, linux-riscv-5.15 (fixed in 5.15.0-1038.42~20.04.2), linux-riscv-5.19, linux-riscv-5.8, linux-riscv-6.14, linux-riscv-6.5, linux-starfive-5.19, linux-starfive-6.2, linux-starfive-6.5 and linux-xilinx-zynqmp (fixed in 5.15.0-1025.29). Published on 30 December 2025 and last revised on 8 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
CVE-2023-54168 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.15.0-79.86 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 5.15.0-1042.47 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1041.46~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1109.118~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-fips | — | — |
| linux-aws-hwe | — | — |
| linux-azure | — | 5.15.0-1045.52 |
| linux-azure-4.15 | — | — |
| 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-6.11 | — | — |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde | — | — |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fips | — | — |
| linux-bluefield | — | — |
| linux-fips | — | — |
| linux-gcp | — | 5.15.0-1039.47 |
| linux-gcp-4.15 | — | — |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1039.47~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1112.121~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.11 | — | — |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | — |
| linux-gcp-fips | — | — |
| linux-gke | — | 5.15.0-1039.44 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1025.30 |
| linux-gkeop-5.15 | — | — |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-79.86~20.04.2 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | 5.4.0-162.179~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.11 | — | — |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | — |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1035.38 |
| 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 | — | 5.15.0-1036.38 |
| linux-intel-iotg | — | 5.15.0-1037.42 |
| linux-intel-iotg-5.15 | — | 5.15.0-1037.42~20.04.1 |
| linux-iot | — | 5.4.0-1021.22 |
| linux-kvm | — | 5.15.0-1039.44 |
| linux-lowlatency | — | 5.15.0-79.88 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-79.88~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.11 | — | — |
| linux-lowlatency-hwe-6.2 | — | — |
| linux-lowlatency-hwe-6.5 | — | — |
| linux-lts-xenial | — | — |
| linux-nvidia | — | 5.15.0-1030.30 |
| linux-nvidia-6.11 | — | — |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | — |
| linux-nvidia-tegra | — | 5.15.0-1016.16 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1016.16~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1002.2 |
| 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-6.5 | — | — |
| linux-oem-6.8 | — | — |
| linux-oracle | — | 5.15.0-1040.46 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1040.46~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1108.117~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.5 | — | — |
| linux-raspi | — | 5.15.0-1035.38 |
| linux-raspi-5.4 | — | 5.4.0-1093.104~18.04.1 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | — |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1038.42~20.04.2 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.14 | — | — |
| linux-riscv-6.5 | — | — |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | — |
| linux-xilinx-zynqmp | — | 5.15.0-1025.29 |
References
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