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CVE-2025-41259

CVE-2025-41259 · SWUpdate Untrusted Script Execution via Signed Update TOCTOU

This page contains facts from public vulnerability sources. Check the original advisory before updating.

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

CVSS 7.3 · High · EPSS 0.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • swupdate

    Versions
    • ≥ 0, < 2026.05: Affected (custom)

    Update to 2026.05

  • swupdate Debian:12

    Versions
    • 2022.12+dfsg-4
    • 2022.12+dfsg-4+deb12u1
    • 2022.12+dfsg-4+deb12u1~bpo11+1
    • 2022.12+dfsg-4+deb12u2
    • 2023.05+dfsg-1
    • 2023.05+dfsg-2
    • 2023.05+dfsg-2~bpo12+1
    • 2023.05+dfsg-3
    • 2023.05+dfsg-4
    • 2023.05+dfsg-5
    • 2023.05+dfsg-5~bpo12+1
    • 2023.12+dfsg-1
    • 2023.12+dfsg-1~bpo12+1
    • 2023.12.1+dfsg-1
    • 2023.12.1+dfsg-1~bpo12+1
    • 2023.12.1+dfsg-2
    • 2023.12.1+dfsg-2~bpo12+1
    • 2024.05+dfsg-1
    • 2024.05.2+dfsg-1
    • 2024.05.2+dfsg-2
    • 2024.05.2+dfsg-2~bpo12+1
    • 2024.12+dfsg-1
    • 2024.12+dfsg-2
    • 2024.12+dfsg-2~bpo12+1
    • 2024.12.1+dfsg-1
    • 2024.12.1+dfsg-1~bpo12+1
    • 2024.12.1+dfsg-2
    • 2024.12.1+dfsg-3
    • 2024.12.1+dfsg-3~bpo12+1
    • 2025.05+dfsg-1
    • 2025.05+dfsg-2
    • 2025.05+dfsg-2~bpo13+1
    • 2025.05+dfsg-3
    • 2025.05+dfsg-3~bpo13+1
    • 2025.12+dfsg-1
    • 2025.12+dfsg-10
    • 2025.12+dfsg-10~bpo13+1
    • 2025.12+dfsg-10~bpo13+2
    • 2025.12+dfsg-2
    • 2025.12+dfsg-2~bpo13+1
    • 2025.12+dfsg-3
    • 2025.12+dfsg-4
    • 2025.12+dfsg-5
    • 2025.12+dfsg-6
    • 2025.12+dfsg-7
    • 2025.12+dfsg-7~bpo13+1
    • 2025.12+dfsg-8
    • 2025.12+dfsg-9
    • 2026.05+dfsg-1
    • 2026.05+dfsg-2
    • 2026.05+dfsg-3
    • 2026.05+dfsg-3~bpo13+1
    • 2026.05+dfsg-4
    • 2026.05.1+dfsg-1
    • 2026.05.1+dfsg-1~bpo13+1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Debian:13

    Versions
    • 2024.12.1+dfsg-3
    • 2024.12.1+dfsg-3+deb13u1
    • 2024.12.1+dfsg-3+deb13u2
    • 2025.05+dfsg-1
    • 2025.05+dfsg-2
    • 2025.05+dfsg-2~bpo13+1
    • 2025.05+dfsg-3
    • 2025.05+dfsg-3~bpo13+1
    • 2025.12+dfsg-1
    • 2025.12+dfsg-10
    • 2025.12+dfsg-10~bpo13+1
    • 2025.12+dfsg-10~bpo13+2
    • 2025.12+dfsg-2
    • 2025.12+dfsg-2~bpo13+1
    • 2025.12+dfsg-3
    • 2025.12+dfsg-4
    • 2025.12+dfsg-5
    • 2025.12+dfsg-6
    • 2025.12+dfsg-7
    • 2025.12+dfsg-7~bpo13+1
    • 2025.12+dfsg-8
    • 2025.12+dfsg-9
    • 2026.05+dfsg-1
    • 2026.05+dfsg-2
    • 2026.05+dfsg-3
    • 2026.05+dfsg-3~bpo13+1
    • 2026.05+dfsg-4
    • 2026.05.1+dfsg-1
    • 2026.05.1+dfsg-1~bpo13+1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Debian:14

    Versions
    • 2024.12.1+dfsg-3
    • 2025.05+dfsg-1
    • 2025.05+dfsg-2
    • 2025.05+dfsg-2~bpo13+1
    • 2025.05+dfsg-3
    • 2025.05+dfsg-3~bpo13+1
    • 2025.12+dfsg-1
    • 2025.12+dfsg-10
    • 2025.12+dfsg-10~bpo13+1
    • 2025.12+dfsg-10~bpo13+2
    • 2025.12+dfsg-2
    • 2025.12+dfsg-2~bpo13+1
    • 2025.12+dfsg-3
    • 2025.12+dfsg-4
    • 2025.12+dfsg-5
    • 2025.12+dfsg-6
    • 2025.12+dfsg-7
    • 2025.12+dfsg-7~bpo13+1
    • 2025.12+dfsg-8
    • 2025.12+dfsg-9
    Affected ranges
    • ECOSYSTEM: < 2026.05+dfsg-1

    Update to 2026.05+dfsg-1

  • swupdate Ubuntu:22.04:LTS

    Versions
    • 2020.11-2
    • 2021.04-1.1
    • 2021.04-2
    • 2021.04-2build1
    • 2021.11-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Ubuntu:24.04:LTS

    Versions
    • 2023.05+dfsg-3
    • 2023.05+dfsg-4
    • 2023.05+dfsg-4build1
    • 2023.05+dfsg-5
    • 2023.12+dfsg-1
    • 2023.12.1+dfsg-1ubuntu1
    • 2023.12.1+dfsg-1ubuntu4
    • 2023.12.1+dfsg-1ubuntu5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Ubuntu:25.10

    Versions
    • 2024.12.1+dfsg-1build2
    • 2024.12.1+dfsg-2
    • 2024.12.1+dfsg-3
    • 2025.05+dfsg-2ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Ubuntu:26.10

    Versions
    • 2025.12+dfsg-4ubuntu1
    • 2026.05+dfsg-3ubuntu2
    • 2026.05+dfsg-4ubuntu1
    • 2026.05.1+dfsg-1ubuntu1
    • 2026.05.1+git20261001+dfsg-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • swupdate Ubuntu:26.04:LTS

    Versions
    • 2025.05+dfsg-2ubuntu1
    • 2025.05+dfsg-3ubuntu1
    • 2025.12+dfsg-1ubuntu1
    • 2025.12+dfsg-2ubuntu1
    • 2025.12+dfsg-3ubuntu1
    • 2025.12+dfsg-4ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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