In the Linux kernel, the following vulnerability has been resolved:
ovl: Use "buf" flexible array for memcpy() destination
The "buf" flexible array needs to be the memcpy() destination to avoid false positive run-time warning from the recent FORTIFY_SOURCE hardening:
memcpy: detected field-spanning write (size 93) of single field "&fh->fb" at fs/overlayfs/export.c:799 (size 21)
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/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-toolsUpgrade python-perfUpgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade bpftoolUpgrade perfUpgrade kernel-livepatch-5.15.93-55.139Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64 | May 22, 2025 | Mar 27, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.1.12-17.42Upgrade bpftoolUpgrade python3-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-tools-develUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpf-develUpgrade kernel-libbpfUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools | Jun 11, 2025 | Mar 27, 2025 |
| Debian | — | Upgrade linux | Mar 31, 2025 | Mar 27, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelists | Jun 13, 2025 | Mar 27, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel | Jul 21, 2025 | Mar 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libs | Jul 1, 2025 | Mar 27, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 27, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.15Upgrade linux-gcp-5.15Upgrade linux-oracleUpgrade linux-gcpUpgrade linux-azureUpgrade linux-realtimeUpgrade linux-azure-fde-5.15Upgrade linux-nvidiaUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-ibmUpgrade linux-riscv-5.15Upgrade linux-lowlatencyUpgrade linux-hwe-5.15Upgrade linux-intel-iotgUpgrade linux-kvmUpgrade linux-intel-iotg-5.15Upgrade linux-aws-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-bluefieldUpgrade linuxUpgrade linux-raspiUpgrade linux-intel-iot-realtimeUpgrade linux-gke | Apr 1, 2025 | Mar 27, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Mar 27, 2025 |
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