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PUBLISHED

CVE-2021-47474

comedi: vmk80xx: fix bulk-buffer overflow

Reserved:2024-05-22
Published:2024-05-22
Updated:2024-06-10

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.

Product status

Default status
unaffected

985cafccbf9b before e0e6a63fd97a
affected

985cafccbf9b before 7cfb35db6077
affected

985cafccbf9b before 0866dcaa828c
affected

985cafccbf9b before 063f576c43d5
affected

985cafccbf9b before 1ae4715121a5
affected

985cafccbf9b before b7fd7f3387f0
affected

985cafccbf9b before 7b0e35618932
affected

985cafccbf9b before 47b4636ebdbe
affected

985cafccbf9b before 78cdfd62bd54
affected

Default status
affected

2.6.31
affected

Any version before 2.6.31
unaffected

4.4.292
unaffected

4.9.290
unaffected

4.14.255
unaffected

4.19.217
unaffected

5.4.159
unaffected

5.10.79
unaffected

5.14.18
unaffected

5.15.2
unaffected

5.16
unaffected

References

https://git.kernel.org/stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7

https://git.kernel.org/stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973

https://git.kernel.org/stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772

https://git.kernel.org/stable/c/063f576c43d589a4c153554b681d32b3f8317c7b

https://git.kernel.org/stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993

https://git.kernel.org/stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0

https://git.kernel.org/stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3

https://git.kernel.org/stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2

https://git.kernel.org/stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871d

cve.org CVE-2021-47474

nvd.nist.gov CVE-2021-47474

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