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medium5.5

CVE-2026-53022

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: bound enumeration string aggregation populate_enum_data() ag…

Impact

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: bound enumeration string aggregation populate_enum_data() aggregates firmware-provided value-modifier and possible-value strings into fixed 512-byte struct members. The current code bounds each individual source string but then appends every string and separator with raw strcat() and no remaining-space check. Switch the aggregation loops to a bounded append helper and reject enumeration packages whose combined strings do not fit in the destination buffers. [ij: add include]

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 5.11 before 5.15.209
from 5.16 before 6.1.175
from 6.2 before 6.6.141
from 6.7 before 6.12.91
from 6.13 before 6.18.33
from 6.19 before 7.0.10

References