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