Bug 2528607 (CVE-2026-80814) - CVE-2026-80814 kernel: rndis_host: add overflow check in rndis_rx_fixup()
Summary: CVE-2026-80814 kernel: rndis_host: add overflow check in rndis_rx_fixup()
Keywords:
Status: NEW
Alias: CVE-2026-80814
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-04 15:39 UTC by OSIDB Bzimport
Modified: 2026-11-01 07:46 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-09-04 15:39:33 UTC 
In the Linux kernel, the following vulnerability has been resolved:

rndis_host: add overflow check in rndis_rx_fixup()

Add an overflow check to ensure that data_offset + data_len + 8 does not
wrap, which would enable an OOB read of the USB data buffer.
Comment 1 gkamathe 2026-09-07 09:38:53 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80814.mbox
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