CVE-2025-0624: falha de alta gravidade em grub2
Grub2: net: out-of-bounds write in grub_net_search_config_file()
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.6epss 1.4%
A flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environment variable length when allocating the internal buffer, resulting in an out-of-bounds write. If correctly exploited, this issue may result in remote code execution through the same network segment grub is searching for the boot information, which can be used to by-pass secure boot protections.
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Produtos afetados
grub2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat · Red Hat OpenShift Container Platform 4.12Red Hat · Red Hat OpenShift Container Platform 4.13Red Hat · Red Hat OpenShift Container Platform 4.14Red Hat · Red Hat OpenShift Container Platform 4.15Red Hat · Red Hat OpenShift Container Platform 4.16Red Hat · Red Hat OpenShift Container Platform 4.17Red Hat · Red Hat OpenShift Container Platform 4.18CVEs relacionadas — grub2
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Referências
https://access.redhat.com/errata/RHSA-2025:2521https://access.redhat.com/errata/RHSA-2025:2653https://access.redhat.com/errata/RHSA-2025:2655https://access.redhat.com/errata/RHSA-2025:2675https://access.redhat.com/errata/RHSA-2025:2784https://access.redhat.com/errata/RHSA-2025:2799https://access.redhat.com/errata/RHSA-2025:2867https://access.redhat.com/errata/RHSA-2025:2869https://access.redhat.com/errata/RHSA-2025:3297https://access.redhat.com/errata/RHSA-2025:3301https://access.redhat.com/errata/RHSA-2025:3367https://access.redhat.com/errata/RHSA-2025:3396