CVE-2021-47286
Published: May 21, 2024
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: bus: mhi: core: Validate channel ID when processing command completions MHI reads the channel ID from the event ring element sent by the device which can be any value between 0 and 255. In order to prevent any out of bound accesses, add a check against the maximum number of channels supported by the controller and those channels not configured yet so as to skip processing of that event ring element.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 1d3173a3bae7039b765a0956e3e4bf846dbaacb8 - < 3efec3b4b16fc7af25676a94230a8ab2a3bb867caffected 1d3173a3bae7039b765a0956e3e4bf846dbaacb8 - < aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9affected 1d3173a3bae7039b765a0956e3e4bf846dbaacb8 - < 546362a9ef2ef40b57c6605f14e88ced507f8dd0 |
Linux | Linux | affected 5.7unaffected 0 - < 5.7unaffected 5.10.54 - <= 5.10.*unaffected 5.13.6 - <= 5.13.*unaffected 5.14 - <= * |
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