RHEL 8 : grub2 (RHSA-2025:2655)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:2655 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

RHEL 8 : grub2 (RHSA-2025:2784)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:2784 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

RHEL 9 : grub2 (RHSA-2025:2799)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:2799 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

RHEL 8 : grub2 (RHSA-2025:2521)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:2521 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

RHSA-2025:2799 Red Hat Security Advisory: grub2 security update

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RHSA-2025:2784 Red Hat Security Advisory: grub2 security update

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Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

grub2: net: Out-of-bounds write in grub_net_search_config_file()

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 grubstrcpy function. During this step, it fails to consider the environment variable length...

Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHSA-2025:2675 Red Hat Security Advisory: grub2 security update

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RHSA-2025:2655 Red Hat Security Advisory: grub2 security update

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RHSA-2025:2653 Red Hat Security Advisory: grub2 security update

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Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

grub2: net: Out-of-bounds write in grub_net_search_config_file()

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 grubstrcpy function. During this step, it fails to consider the environment variable length...

Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

RHSA-2025:2521 Red Hat Security Advisory: grub2 security update

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Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

GNU GRUB2 Buffer Overflow Vulnerability (CNVD-2025-08322)

GRUB2 is a multiple bootloader for the GNU Project. GNU GRUB2 suffers from a buffer overflow vulnerability that stems from a buffer overflow problem contained in reading the BFS file system. An attacker could exploit this vulnerability to cause a denial of service...

GNU GRUB2 Buffer Overflow Vulnerability (CNVD-2025-08321)

GRUB2 is a multiple bootloader for the GNU Project. A buffer overflow vulnerability exists in GNU GRUB2, which stems from the fact that when reading a tar file, GRUB2 allocates an internal buffer for the filename, and does not properly validate the allocation for a possible integer overflow. An...

GNU GRUB2 Out-of-Bounds Write Vulnerability (CNVD-2025-08320)

GRUB2 is a multiple bootloader for the GNU Project. GNU GRUB2 suffers from an out-of-bounds write vulnerability that stems from a flaw found in the HFS file system. No details of the vulnerability are provided at this time...