greybus: gb-beagleplay: bound bootloader receive buffering

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Summary

CVECVE-2026-46332
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 14:16:42 UTC
Updated2026-06-14 06:16:25 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.000200000 probability, percentile 0.056920000 (date 2026-06-14)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 663c2728a6d0f781044431111b53a27f71027e48 git Not specified
CNA Linux Linux affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb fb91d4e49fcbea0b5091394ac5b8f7d4124265c3 git Not specified
CNA Linux Linux affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 0339a746ff7cd3f9d10f565e89c99dc93191e58d git Not specified
CNA Linux Linux affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 1214bf28965ceaf584fb20d357731264dd2e10e1 git Not specified
CNA Linux Linux affected 6.12 Not specified
CNA Linux Linux unaffected 6.12 semver Not specified
CNA Linux Linux unaffected 6.12.86 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.27 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.4 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1214bf28965ceaf584fb20d357731264dd2e10e1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fb91d4e49fcbea0b5091394ac5b8f7d4124265c3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/663c2728a6d0f781044431111b53a27f71027e48 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0339a746ff7cd3f9d10f565e89c99dc93191e58d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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