CVE-2026-80814

rndis_host: add overflow check in rndis_rx_fixup()

Published Sep 4, 2026 CVSS n/a EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< 2140db1232af04b92faa6c4a2a40df6371ea89ff
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< 8ca3bd404d076495ed0b274b65971c57b6fd5ac0
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< f8e6fde5db87f855e99b200e392467274f0eb9d7
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< 10a6b99079697c5027b25352e882bdf54fef702a
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< c5398ce6db7647b7004d73a3102ccc25fb4bb596
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< e971d956353d382ee2185d71c47b538501a43f76
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< be7dc3650f799a253df4edd4fe230fc9ea4be063
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< 2ded89ca77fae1da6886fe94831acfe4d6aa80b1
`64e049102d3de3e61409cb6019403a9e689dfda6`	affected	< 965a251f23ff69cfb4486974d4532e9bb551c7fc

Linux

affected

Version	Status	Constraints
`2.6.14`	affected	—
`0`	unaffected	< 2.6.14
`5.10.267`	unaffected	≤ 5.10.*
`5.15.218`	unaffected	≤ 5.15.*
`6.1.185`	unaffected	≤ 6.1.*
`6.6.154`	unaffected	≤ 6.6.*
`6.12.106`	unaffected	≤ 6.12.*
`6.18.47`	unaffected	≤ 6.18.*
`7.1.11`	unaffected	≤ 7.1.*
`7.2.1`	unaffected	≤ 7.2.*
`7.3`	unaffected	≤ *

No data.

Vendor Product Versions

Linux

Linux Kernel

Version	Status	Scheme	Platform
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,2140db1232af04b92faa6c4a2a40df6371ea89ff)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,8ca3bd404d076495ed0b274b65971c57b6fd5ac0)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,f8e6fde5db87f855e99b200e392467274f0eb9d7)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,10a6b99079697c5027b25352e882bdf54fef702a)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c5398ce6db7647b7004d73a3102ccc25fb4bb596)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,e971d956353d382ee2185d71c47b538501a43f76)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,be7dc3650f799a253df4edd4fe230fc9ea4be063)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,2ded89ca77fae1da6886fe94831acfe4d6aa80b1)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,965a251f23ff69cfb4486974d4532e9bb551c7fc)`	affected	code_commit	—
`[0,5.10.267)`	affected	semver	—
`[0,5.15.218)`	affected	semver	—
`[0,6.1.185)`	affected	semver	—
`[0,6.6.154)`	affected	semver	—
`[0,6.12.106)`	affected	semver	—
`[0,6.18.47)`	affected	semver	—
`[0,7.1.11)`	affected	semver	—
`[0,7.2.1)`	affected	semver	—

Linux

Linux Kernel

Version	Status	Scheme	Platform
`[5.10.267,5.10.*]`	unaffected	generic	—
`[5.15.218,5.15.*]`	unaffected	generic	—
`[6.1.185,6.1.*]`	unaffected	generic	—
`[6.6.154,6.6.*]`	unaffected	generic	—
`[6.12.106,6.12.*]`	unaffected	generic	—
`[6.18.47,6.18.*]`	unaffected	generic	—
`[7.1.11,7.1.*]`	unaffected	generic	—
`[7.2.1,7.2.*]`	unaffected	generic	—
`[7.3-rc1,*]`	unaffected	generic	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
Debian DLA	DLA-4777-1	linux security update
Debian DLA	DLA-4788-1	linux-6.12 security update
Ubuntu USN	USN-8961-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9019-1	Linux kernel (Azure) vulnerabilities
Ubuntu USN	USN-9020-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9022-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9023-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9024-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9025-1	Linux kernel vulnerabilities
Ubuntu USN	USN-9026-1	Linux kernel (Azure) vulnerabilities
Ubuntu USN	USN-9029-1	Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN	USN-9039-1	Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN	USN-9040-1	Linux kernel (Low Latency NVIDIA) vulnerabilities
Ubuntu USN	USN-9066-1	Linux kernel (HWE) vulnerabilities
Ubuntu USN	USN-9091-1	Linux kernel (NVIDIA Tegra) vulnerabilities

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.195% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/10a6b99079697c5027b25352e882bdf54fef702a
https://git.kernel.org/stable/c/2140db1232af04b92faa6c4a2a40df6371ea89ff
https://git.kernel.org/stable/c/2ded89ca77fae1da6886fe94831acfe4d6aa80b1
https://git.kernel.org/stable/c/8ca3bd404d076495ed0b274b65971c57b6fd5ac0
https://git.kernel.org/stable/c/965a251f23ff69cfb4486974d4532e9bb551c7fc
https://git.kernel.org/stable/c/be7dc3650f799a253df4edd4fe230fc9ea4be063
https://git.kernel.org/stable/c/c5398ce6db7647b7004d73a3102ccc25fb4bb596
https://git.kernel.org/stable/c/e971d956353d382ee2185d71c47b538501a43f76
https://git.kernel.org/stable/c/f8e6fde5db87f855e99b200e392467274f0eb9d7

History

Sep 4, 2026 5:45 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-125 CWE-188

Sep 4, 2026 3:30 PM Description updated. Title updated. First appearance in the feed. Affected versions updated. Affected vendors updated. Added references View changes

Type	Values Removed	Values Added
Description		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.
Title		rndis_host: add overflow check in rndis_rx_fixup()
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/10a6b99079697c5027b25352e882bdf54fef702a https://git.kernel.org/stable/c/2140db1232af04b92faa6c4a2a40df6371ea89ff https://git.kernel.org/stable/c/2ded89ca77fae1da6886fe94831acfe4d6aa80b1 https://git.kernel.org/stable/c/8ca3bd404d076495ed0b274b65971c57b6fd5ac0 https://git.kernel.org/stable/c/965a251f23ff69cfb4486974d4532e9bb551c7fc https://git.kernel.org/stable/c/be7dc3650f799a253df4edd4fe230fc9ea4be063 https://git.kernel.org/stable/c/c5398ce6db7647b7004d73a3102ccc25fb4bb596 https://git.kernel.org/stable/c/e971d956353d382ee2185d71c47b538501a43f76 https://git.kernel.org/stable/c/f8e6fde5db87f855e99b200e392467274f0eb9d7