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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2021-47485

IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < bda41654b6e0c125a624ca35d6d20beb8015b5d0affected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < 3f57c3f67fd93b4da86aeffea1ca32c484d054adaffected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < 60833707b968d5ae02a75edb7886dcd4a957cf0daffected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < 73d2892148aa4397a885b4f4afcfc5b27a325c42affected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < 0f8cdfff06829a0b0348b6debc29ff6a61967724affected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < c3e17e58f571f34c51aeb17274ed02c2ed5cf780affected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < 0d4395477741608d123dad51def9fe50b7ebe952affected
  • f931551bafe1f10ded7f5282e2aa162c267a2e5d to < d39bf40e55e666b5905fdbd46a0dced030ce87beaffected

Linux Linux

Default version status: affected

  • 2.6.35affected
  • 0 to < 2.6.35unaffected
  • 4.4.292 to ≤ 4.4.*unaffected
  • 4.9.290 to ≤ 4.9.*unaffected
  • 4.14.255 to ≤ 4.14.*unaffected
  • 4.19.216 to ≤ 4.19.*unaffected
  • 5.4.157 to ≤ 5.4.*unaffected
  • 5.10.77 to ≤ 5.10.*unaffected
  • 5.14.16 to ≤ 5.14.*unaffected
  • 5.15 to ≤ *unaffected

References