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.
CVSS Details
- CVSS 3.1 Base Score: 6.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perfUpgrade kernel-tools-develUpgrade kernel-livepatch-4.14.238-182.421Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade bpftoolUpgrade python-perfUpgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64 | Apr 25, 2024 | Feb 27, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Feb 27, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade kernelUpgrade kernel-headersUpgrade python3-perfUpgrade kernel-develUpgrade bpftoolUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-tools | Jul 23, 2024 | Feb 27, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel | Jul 17, 2024 | Feb 27, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 27, 2024 |
| Suse | — | Upgrade kernel-64kbUpgrade kernel-develUpgrade kernel-64kb-develUpgrade kernel-preempt-develUpgrade kernel-source-azureUpgrade kernel-azureUpgrade kernel-preemptUpgrade kernel-sourceUpgrade kernel-default-develUpgrade kernel-syms-azureUpgrade reiserfs-kmp-defaultUpgrade kernel-symsUpgrade kernel-azure-baseUpgrade kernel-azure-develUpgrade kernel-docsUpgrade kernel-default-manUpgrade kernel-default-extraUpgrade kernel-default-baseUpgrade kernel-devel-azureUpgrade kernel-zfcpdumpUpgrade kernel-macrosUpgrade kernel-defaultUpgrade kernel-obs-build | Aug 9, 2024 | Feb 27, 2024 |
| Ubuntu | — | Upgrade linuxUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-fipsUpgrade linux-gcp-5.4Upgrade linux-hwe-5.4Upgrade linux-azure-4.15Upgrade linux-gcp-fipsUpgrade linux-azure-5.4Upgrade linux-aws-hweUpgrade linux-azure-fipsUpgrade linux-hweUpgrade linux-gcp-4.15Upgrade linux-gkeopUpgrade linux-raspi-5.4Upgrade linux-azureUpgrade linux-gcpUpgrade linux-kvmUpgrade linux-oracle-5.4Upgrade linux-raspiUpgrade linux-bluefieldUpgrade linux-aws-5.4Upgrade linux-aws | Nov 19, 2024 | Feb 27, 2024 |
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