iommu/amd: Bound the early ACPI HID map
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
iommu/amd: Bound the early ACPI HID map
The ivrs_acpihid command-line parser appends entries to a fixed
four-element early_acpihid_map array. Unlike the sibling IOAPIC and HPET
parsers, it does not reject a fifth entry before incrementing the map size.
Check the capacity at the common found label before parsing the HID and
UID or writing the entry.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/030a8e84f8f1b6e96f469c84a13a225c3699910bhttps://git.kernel.org/stable/c/1e31d2394e0db69541b1591d46c5ad6431c81db3https://git.kernel.org/stable/c/9ae6b1b972ce01d3316c8a5f7f58c8b3668cc6bbhttps://git.kernel.org/stable/c/abe5d7962f09adada9c4fb25b816dddd3f97c55dhttps://git.kernel.org/stable/c/afe7ea0520c49586703f210865ace2d70b017e48https://git.kernel.org/stable/c/e5e0098f8cd82f8b3c8687a8f686309565d51745https://git.kernel.org/stable/c/e5ebe8544df1a1c3611739a8622156094fe470dfhttps://git.kernel.org/stable/c/fb80117fddb5b477218dc99bb53911b72c3847f8