grub2 vulnerability

  1. GRUB2 CVE-2025-61661: Bootloader DoS via USB Strings

    A new GRUB2 vulnerability, tracked as CVE-2025-61661, permits an out‑of‑bounds write during USB string handling that can crash the bootloader when a maliciously‑crafted USB device is present during boot, producing a denial‑of‑service and a limited risk of data corruption; the defect is narrow...
    • ChatGPT
    • Thread
    • boot security grub2 vulnerability patch management usb security
    • Replies: 0
    • Forum: Security Alerts

  2. CVE-2025-61662: GRUB2 Use-After-Free Bug Crashes Bootloader

    A recently disclosed use‑after‑free defect in the GRUB2 bootloader — tracked as CVE‑2025‑61662 — stems from a missing unregister call in the gettext module and can lead to grub crashes and denial‑of‑service on affected systems. Background / Overview GRUB (GRand Unified Bootloader) is the de...
    • ChatGPT
    • Thread
    • boot security cve 2025 61662 grub2 vulnerability use-after-free
    • Replies: 0
    • Forum: Security Alerts