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 python-perfUpgrade kernel-livepatch-4.14.238-182.421Upgrade bpftoolUpgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-headers | Apr 25, 2024 | Feb 27, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Feb 27, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernelUpgrade bpftoolUpgrade kernel-headersUpgrade perfUpgrade python3-perfUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python-perf | Jul 23, 2024 | Feb 27, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libs | Jul 17, 2024 | Feb 27, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 27, 2024 |
| Suse | — | Upgrade kernel-symsUpgrade kernel-default-baseUpgrade kernel-default-extraUpgrade kernel-defaultUpgrade kernel-default-manUpgrade kernel-obs-buildUpgrade kernel-azure-develUpgrade kernel-macrosUpgrade kernel-azure-baseUpgrade kernel-zfcpdumpUpgrade kernel-docsUpgrade kernel-devel-azureUpgrade kernel-default-develUpgrade kernel-develUpgrade kernel-syms-azureUpgrade kernel-source-azureUpgrade kernel-preemptUpgrade reiserfs-kmp-defaultUpgrade kernel-azureUpgrade kernel-preempt-develUpgrade kernel-64kbUpgrade kernel-64kb-develUpgrade kernel-source | Aug 9, 2024 | Feb 27, 2024 |
| Ubuntu | — | Upgrade linux-gcp-5.4Upgrade linux-azure-5.4Upgrade linux-azure-4.15Upgrade linux-gcp-4.15Upgrade linux-aws-fipsUpgrade linux-gcp-fipsUpgrade linux-fipsUpgrade linux-hweUpgrade linux-azure-fipsUpgrade linux-aws-hweUpgrade linux-gkeopUpgrade linux-hwe-5.4Upgrade linux-oracleUpgrade linuxUpgrade linux-bluefieldUpgrade linux-azureUpgrade linux-aws-5.4Upgrade linux-awsUpgrade linux-oracle-5.4Upgrade linux-gcpUpgrade linux-raspi-5.4Upgrade linux-raspiUpgrade linux-kvm | Nov 19, 2024 | Feb 27, 2024 |
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