In the Linux kernel, the following vulnerability has been resolved:
md: raid1: fix potential OOB in raid1_remove_disk()
If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows:
1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk")
Fix this bug by checking whether the "number" variable is valid.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-livepatch-5.15.133-86.144Upgrade bpftoolUpgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.326-245.539Upgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.197-186.748Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-develUpgrade kernel-toolsUpgrade perf-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade perfUpgrade kernel-headersUpgrade kernel-livepatch-6.1.55-75.123Upgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-libbpf | Nov 6, 2025 | Oct 22, 2025 |
| Debian | — | Upgrade linux | Oct 24, 2025 | Oct 24, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libs | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Nov 14, 2025 | Oct 22, 2025 |
| Ubuntu | — | Upgrade linux-lowlatency-hwe-5.15Upgrade linux-ibm-5.4Upgrade linux-raspiUpgrade linux-nvidia-tegra-5.15Upgrade linux-awsUpgrade linux-riscv-5.15Upgrade linux-fipsUpgrade linux-gkeUpgrade linux-aws-5.15Upgrade linux-lowlatencyUpgrade linux-bluefieldUpgrade linux-oracle-5.4Upgrade linux-raspi-5.4Upgrade linuxUpgrade linux-ibm-5.15Upgrade linux-aws-5.4Upgrade linux-nvidia-tegraUpgrade linux-azure-fde-5.15Upgrade linux-aws-fipsUpgrade linux-kvmUpgrade linux-gcpUpgrade linux-oracleUpgrade linux-azure-5.4Upgrade linux-iotUpgrade linux-azure-fipsUpgrade linux-gcp-5.15Upgrade linux-gkeopUpgrade linux-xilinx-zynqmpUpgrade linux-ibmUpgrade linux-azure-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-gcp-5.4Upgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-oracle-5.15Upgrade linux-nvidiaUpgrade linux-hwe-5.4Upgrade linux-intel-iot-realtimeUpgrade linux-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-hwe-5.15Upgrade linux-gcp-fips | Oct 28, 2025 | Oct 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Oct 22, 2025 |
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