WID-SEC-W-2025-2638

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Grub: Mehrere Schwachstellen

view advisory published 2025-11-18

Ein Angreifer kann mehrere Schwachstellen in Grub ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.

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describes (6)

Related CVEs.

IDseverity exploitable
CVE-2025-61664US——
A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly u…
CVE-2025-61663US——
A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused becau…
CVE-2025-61662US——
A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after i…
CVE-2025-61661US——
A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information…
CVE-2025-54771US——
A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer…
CVE-2025-54770US——
A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused becau…
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references

External citations — patches, advisories, analysis.

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