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bdu:2025-00827

certfr-2024-avi-0242 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'en…

certfr-2024-avi-0242

EUVD-2026-309460

fkie_cve-2021-46953

In the Linux kernel, the following vulnerability has been resolved:

ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure

When failing the driver probe because of invalid firmware properties, the GTDT driver unmaps the interrupt that it mapped earlier.

However, it never checks whether the mapping of the interrupt actially succeeded. Even more, should the firmware report an illegal interrupt number that overlaps with the GIC SGI range, this can result in an IPI being unmapped, and subsequent fireworks (as reported by Dann Frazier).

Rework the driver to have a slightly saner behaviour and actually check whether the interrupt has been mapped before unmapping things.

GHSA-2wwc-57w4-gp7m

In the Linux kernel, the following vulnerability has been resolved:

ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure

When failing the driver probe because of invalid firmware properties, the GTDT driver unmaps the interrupt that it mapped earlier.

Rework the driver to have a slightly saner behaviour and actually check whether the interrupt has been mapped before unmapping things.

gsd-2021-46953

SUSE-SU-2024:0856-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2021-46953

Affected: Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:Pro:16.04:LTS: linux-oracle, Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux, Ubuntu:18.04:LTS: linux-aws, Ubuntu:18.04:LTS: linux-aws-5.4 and 100 more

In the Linux kernel, the following vulnerability has been resolved: ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure When failing the driver probe because of invalid firmware properties, the GTDT driver unmaps the interrupt that it mapped earlier. However, it never checks whether the mapping of the interrupt actially succeeded. Even more, should the firmware report an illegal interrupt number that overlaps with the GIC SGI range, this can result in an IPI being unmapped, and subsequent fireworks (as reported by Dann Frazier). Rework the driver to have a slightly saner behaviour and actually check whether the interrupt has been mapped before unmapping things.