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Vulnerability · Published Sep 15, 2025 · Assigned by Linux

CVE-2023-53226wifi: mwifiex: Fix OOB and integer underflow when rx packets

High 8.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 84.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-abi-stablelists4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-core4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-cross-headers4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-debug4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-debug-core4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-debug-devel4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-debug-modules4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-devel4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-doc4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-headers4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-modules4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-modules-extra4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-rt4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-core4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-debug4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-debug-core4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-devel4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-modules4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.82.1.rt7.423.el8_10ALSA-2025:19440
AlmaLinux:8kernel-tools4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-tools-libs4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-zfcpdump4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8perf4.18.0-553.82.1.el8_10ALSA-2025:19447
AlmaLinux:8python3-perf4.18.0-553.82.1.el8_10ALSA-2025:19447
Debian:12linux6.1.55-1DEBIAN-CVE-2023-53226
Debian:13linux6.5.3-1DEBIAN-CVE-2023-53226
Debian:14linux6.5.3-1DEBIAN-CVE-2023-53226
Ubuntu:22.04:LTSlinux5.15.0-94.104UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-aws5.15.0-1053.58UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure5.15.0-1056.64UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1056.64.1UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gcp5.15.0-1051.59UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gke5.15.0-1050.55UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1036.42UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-ibm5.15.0-1046.49UBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1047.53UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-kvm5.15.0-1050.55UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-94.104UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1044.44UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1022.22UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1009.9UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oracle5.15.0-1051.57UBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-raspi5.15.0-1046.49UBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53226
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53226
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-53226

Affected products (as reported)

VendorProductVersions
Linux Linux 2dbaf751b1dec3a603130a475f94cc4d3f404362 – before f517c97fc129995de77dd06aa5a74f909ebf568f2dbaf751b1dec3a603130a475f94cc4d3f404362 – before 8824aa4ab62c800f75d96f48e1883a5f56ec58692dbaf751b1dec3a603130a475f94cc4d3f404362 – before 29eca8b7863d1d7de6c5b746b374e3487d14f1542dbaf751b1dec3a603130a475f94cc4d3f404362 – before 3fe3923d092e22d87d1ed03e2729db444b8c13312dbaf751b1dec3a603130a475f94cc4d3f404362 – before 7c54b6fc39eb1aac51cf2945f8a25e2a47fdca022dbaf751b1dec3a603130a475f94cc4d3f404362 – before 3975e21d4d01efaf0296ded40d11c06589c492452dbaf751b1dec3a603130a475f94cc4d3f404362 – before a7300e3800e9fd5405e88ce67709c1a97783b9c82dbaf751b1dec3a603130a475f94cc4d3f404362 – before 650d1bc02fba7b42f476d8b6643324abac5921ed
Linux Linux 3.7

Weakness: CWE-191 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References