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CVE-2021-47485

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CVE-2021-47485

Published: May 22, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

VendorProductVersions

Linux

Linux

affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d - < bda41654b6e0c125a624ca35d6d20beb8015b5d0
affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d - < 3f57c3f67fd93b4da86aeffea1ca32c484d054ad
affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d - < 60833707b968d5ae02a75edb7886dcd4a957cf0d
affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d - < 73d2892148aa4397a885b4f4afcfc5b27a325c42
affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d - < 0f8cdfff06829a0b0348b6debc29ff6a61967724

+3 more versions

Linux

Linux

affected
2.6.35
unaffected
0 - < 2.6.35
unaffected
4.4.292 - <= 4.4.*
unaffected
4.9.290 - <= 4.9.*
unaffected
4.14.255 - <= 4.14.*

+5 more versions

References

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