# CVE-2026-71971: U-Boot before 2026.10-rc3 Out-of-Bounds Write in IP Fragment Reassembly

CVE-2026-71971 is fixed in 21 products on 1 platform, first by u-boot-amlogic 2025.10-0ubuntu2.1, released September 29, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-71971
- Priority: High
- CVSS: 8.2 (Important)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 29, 2026
- Weakness: Out-of-bounds Write
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71971

## Description

U-Boot before 2026.10-rc3 with CONFIG_IP_DEFRAG enabled contains an out-of-bounds write vulnerability in the __net_defragment() function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the bootloader.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | u-boot Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-amlogic 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-amlogic-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-amlogic 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-amlogic-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-amlogic 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-amlogic-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-amlogic 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-amlogic-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-amlogic 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-amlogic-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-amlogic-binaries Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-amlogic-binaries 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-amlogic-binaries-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-amlogic-binaries Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-amlogic-binaries 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-amlogic-binaries-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-asahi Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-asahi 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-asahi-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-asahi Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-asahi 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-asahi-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-exynos Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-exynos 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-exynos-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-exynos Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-exynos 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-exynos-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-exynos Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-exynos 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-exynos-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-exynos Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-exynos 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-exynos-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-exynos Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-exynos 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-exynos-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-exynos-binaries Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-exynos-binaries 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-exynos-binaries-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-exynos-binaries Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-exynos-binaries 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-exynos-binaries-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-imx Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-imx 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-imx-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-imx Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-imx 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-imx-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-imx Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-imx 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-imx-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-imx Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-imx 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-imx-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-imx Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-imx 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-imx-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-microchip Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-microchip 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-microchip-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-microchip Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-microchip 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-microchip-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-microchip Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-microchip 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-microchip-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-mvebu Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-mvebu 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-mvebu-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-mvebu Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-mvebu 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-mvebu-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-mvebu Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-mvebu 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-mvebu-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-mvebu Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-mvebu 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-mvebu-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-mvebu Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-mvebu 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-mvebu-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-omap Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-omap 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-omap-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-omap Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-omap 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-omap-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-omap Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-omap 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-omap-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-omap Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-omap 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-omap-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-omap Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-omap 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-omap-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-qcom Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-qcom 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-qcom-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-qcom Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-qcom 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-qcom-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-qcom Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-qcom 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-qcom-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-qcom Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-qcom 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-qcom-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-qcom Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-qcom 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-qcom-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-qemu Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-qemu 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-qemu-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-qemu Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-qemu 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-qemu-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-qemu Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-qemu 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-qemu-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-qemu Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-qemu 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-qemu-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-qemu Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-qemu 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-qemu-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-rockchip Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-rockchip 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-rockchip-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-rockchip Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-rockchip 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-rockchip-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-rockchip Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-rockchip 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-rockchip-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-rockchip Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-rockchip 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-rockchip-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-rockchip Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-rockchip 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-rockchip-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-rpi Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-rpi 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-rpi-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-rpi Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-rpi 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-rpi-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-rpi Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-rpi 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-rpi-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-rpi Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-rpi 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-rpi-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-rpi Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-rpi 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-rpi-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-sifive Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-sifive 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-sifive-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-sifive Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-sifive 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-sifive-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-sifive Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-sifive 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-sifive-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-sifive Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-sifive 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-sifive-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-sitara-binaries Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-sitara-binaries 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-sitara-binaries-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-sitara-binaries Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-sitara-binaries 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-sitara-binaries-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-starfive Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-starfive 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-starfive-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-starfive Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-starfive 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-starfive-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-stm32 Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-stm32 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-stm32-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-stm32 Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-stm32 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-stm32-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-sunxi Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-sunxi 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-sunxi-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-sunxi Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-sunxi 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-sunxi-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-sunxi Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-sunxi 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-sunxi-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-sunxi Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-sunxi 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-sunxi-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-sunxi Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-sunxi 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-sunxi-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-tegra Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-tegra 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-tegra-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-tegra Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-tegra 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-tegra-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-tegra Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-tegra 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-tegra-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-tegra Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-tegra 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-tegra-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-tegra Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-tegra 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-tegra-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |
| Linux | u-boot-tools Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3+esm1 | [u-boot-tools 2020.10+dfsg-1ubuntu0~18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-u-boot-tools-2020.10-dfsg-1ubuntu0-18.04.3-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-tools Ubuntu 20.04 LTS (focal) | 2021.01+dfsg-3ubuntu0~20.04.6+esm1 | [u-boot-tools 2021.01+dfsg-3ubuntu0~20.04.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-u-boot-tools-2021.01-dfsg-3ubuntu0-20.04.6-esm1.md) | Oct 7, 2026 |
| Linux | u-boot-tools Ubuntu 22.04.1 LTS (jammy) | 2022.01+dfsg-2ubuntu2.8 | [u-boot-tools 2022.01+dfsg-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-u-boot-tools-2022.01-dfsg-2ubuntu2.8.md) | Oct 7, 2026 |
| Linux | u-boot-tools Ubuntu 24.04.5 LTS (noble) | 2025.10-0ubuntu0.24.04.3 | [u-boot-tools 2025.10-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-u-boot-tools-2025.10-0ubuntu0.24.04.3.md) | Oct 7, 2026 |
| Linux | u-boot-tools Ubuntu 26.04.1 LTS (resolute) | 2025.10-0ubuntu2.1 | [u-boot-tools 2025.10-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-u-boot-tools-2025.10-0ubuntu2.1.md) | Sep 29, 2026 |

---

Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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