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As of 11/11/2026, grub2 recorded 1 security vulnerability in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of grub2 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-97876Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base addressCVE-2025-61664Grub2: missing unregister call for normal_exit command may lead to use-after-freeCVE-2025-61663Grub2: missing unregister call for normal commands may lead to use-after-freeCVE-2025-61662Grub2: missing unregister call for gettext command may lead to use-after-freeCVE-2025-61661Grub2: grub2: out-of-bounds write via malicious usb device| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-97876Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base address | Exploitation statusNot exploited | FixYes | Published10/02/2026 | SeverityMedium |
CVE-2025-61664Grub2: missing unregister call for normal_exit command may lead to use-after-free | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityMedium |
CVE-2025-61663Grub2: missing unregister call for normal commands may lead to use-after-free | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityMedium |
CVE-2025-61662Grub2: missing unregister call for gettext command may lead to use-after-free | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityHigh |
CVE-2025-61661Grub2: grub2: out-of-bounds write via malicious usb device | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityMedium |
CVE-2025-54771Grub2: use-after-free in grub_file_close() | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityMedium |
CVE-2025-54770Grub2: use-after-free in net_set_vlan | Exploitation statusNot exploited | FixYes | Published11/18/2025 | SeverityMedium |
CVE-2024-56738CVE-2024-56738 | Exploitation statusNot exploited | FixNo | Published12/29/2024 | SeverityMedium |
CVE-2024-56737CVE-2024-56737 | Exploitation statusNot exploited | FixNo | Published12/29/2024 | SeverityHigh |
9 Results | Page 1 of 1