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CVE-2021-47474

HIGH

7.8

Description

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doing bulk transfers.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published5/22/2024

Last Modified9/24/2025

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernel

Weaknesses (CWE)

CWE-787

References

https://git.kernel.org/stable/c/063f576c43d589a4c153554b681d32b3f8317c7b(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871d(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/063f576c43d589a4c153554b681d32b3f8317c7b(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871d(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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