xen: PVH guests have their ACPI tables constructed by the toolstack
CVE-2024-45819 is fixed in xen on 1 platform, first by SUSE-SU-2024:4163-1, released December 4, 2024. It is not reported as exploited. Patch Radar priority: Routine.
PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prior contents.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.17.5+23-ga4e5191dc0-1 | DEBIAN-CVE-2024-45819 | Dec 19, 2024 |
| xen · Debian 13.5 (trixie) | 4.19.1-1 | DEBIAN-CVE-2024-45819 | Dec 19, 2024 |
| xen · Debian 14 | 4.19.1-1 | DEBIAN-CVE-2024-45819 | Dec 19, 2024 |
| xen · opensuse-leap 15.6 | 4.18.3_06-150600.3.12.1 | SUSE-SU-2024:4163-1 | Dec 4, 2024 |
| xen · sles 15.6 | 4.18.3_06-150600.3.12.1 | SUSE-SU-2024:4163-1 | Dec 4, 2024 |
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