Bug 2486995 (CVE-2026-46332) - CVE-2026-46332 kernel: greybus: gb-beagleplay: bound bootloader receive buffering
Summary: CVE-2026-46332 kernel: greybus: gb-beagleplay: bound bootloader receive buffe...
Keywords:
Status: NEW
Alias: CVE-2026-46332
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-09 14:01 UTC by OSIDB Bzimport
Modified: 2026-06-09 16:47 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-06-09 14:01:18 UTC
In the Linux kernel, the following vulnerability has been resolved:

greybus: gb-beagleplay: bound bootloader receive buffering

cc1352_bootloader_rx() appends each serdev chunk into the fixed
rx_buffer before parsing bootloader packets. The helper can keep
leftover bytes between callbacks and may receive multiple packets in one
callback, so a single count value is not constrained by one packet
length.

Check that the incoming chunk fits in the remaining receive buffer space
before memcpy(). If it does not, drop the staged data and consume the
bytes instead of overflowing rx_buffer.


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