CVE-2026-90197: falha em Linux
HID: haptic: don't write an uninitialized value to unhandled usages
Publicada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 90% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
HID: haptic: don't write an uninitialized value to unhandled usages
fill_effect_buf() initializes value only for the four haptic usages
handled by its switch, but writes it to field->value[] for every usage.
An unhandled usage can therefore receive either an uninitialized value
or one left over from the previous usage. hid_output_report() then
serializes that value into the effect's report buffer.
Skip unhandled usages instead. This also matches switch_mode(), which
only updates fields it recognizes.
Found with Clang's -Wconditional-uninitialized.
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Linux · LinuxCVEs relacionadas — Linux
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