In the Linux kernel, the following vulnerability has been resolved:
md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request
There are two check of 'mreplace' in raid10_sync_request(). In the first check, 'need_replace' will be set and 'mreplace' will be used later if no-Faulty 'mreplace' exists, In the second check, 'mreplace' will be set to NULL if it is Faulty, but 'need_replace' will not be changed accordingly. null-ptr-deref occurs if Faulty is set between two check.
Fix it by merging two checks into one. And replace 'need_replace' with 'mreplace' because their values are always the same.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernelUpgrade kernel-toolsUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade python-perfUpgrade kernel-livepatch-5.10.192-182.736Upgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.122-77.145Upgrade bpftool | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade bpftool-debuginfoUpgrade python3-perfUpgrade perfUpgrade kernel-libbpf-develUpgrade kernel-livepatch-6.1.41-63.109Upgrade kernelUpgrade kernel-headersUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade perf-debuginfo | Oct 16, 2025 | Sep 18, 2025 |
| Debian | — | Upgrade linux | Sep 22, 2025 | Sep 22, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-tools-libs | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-abi-stablelists | Feb 3, 2026 | Jan 30, 2026 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Nov 14, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-raspi-5.4Upgrade linux-bluefieldUpgrade linux-ibmUpgrade linux-gcp-5.15Upgrade linux-realtimeUpgrade linux-kvmUpgrade linux-gcpUpgrade linux-intel-iotg-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-gkeUpgrade linux-intel-iotgUpgrade linux-aws-fipsUpgrade linux-aws-5.4Upgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-hwe-5.4Upgrade linux-xilinx-zynqmpUpgrade linux-fipsUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-oracle-5.4Upgrade linux-ibm-5.15Upgrade linux-oracleUpgrade linux-riscv-5.15Upgrade linux-ibm-5.4Upgrade linux-gcp-5.4Upgrade linux-hwe-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-gcp-fipsUpgrade linuxUpgrade linux-azure-5.4Upgrade linux-iotUpgrade linux-azureUpgrade linux-nvidia-tegraUpgrade linux-awsUpgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-nvidia-tegra-igxUpgrade linux-azure-fips | Sep 26, 2025 | Sep 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 18, 2025 |
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