CVE-2021-47474

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < e0e6a63fd97ad95fe05dfd77268a1952551e11a7affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 7cfb35db607760698d299fd1cf7402dfa8f09973affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 0866dcaa828c21bc2f94dac00e086078f11b5772affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 063f576c43d589a4c153554b681d32b3f8317c7baffected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 1ae4715121a57bc6fa29fd992127b01907f2f993affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < b7fd7f3387f070215e6be341e68eb5c087eeecc0affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 7b0e356189327287d0eb98ec081bd6dd97068cd3affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2affected
LinuxLinux985cafccbf9b7f862aa1c5ee566801e18b5161fb < 78cdfd62bd54af615fba9e3ca1ba35de39d3871daffected
LinuxLinux2.6.31affected
LinuxLinux0 < 2.6.31unaffected
LinuxLinux4.4.292 <= 4.4.*unaffected
LinuxLinux4.9.290 <= 4.9.*unaffected
LinuxLinux4.14.255 <= 4.14.*unaffected
LinuxLinux4.19.217 <= 4.19.*unaffected
LinuxLinux5.4.159 <= 5.4.*unaffected
LinuxLinux5.10.79 <= 5.10.*unaffected
LinuxLinux5.14.18 <= 5.14.*unaffected
LinuxLinux5.15.2 <= 5.15.*unaffected
LinuxLinux5.16 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References