Answer in brief
CVE-2021-47485 records a High severity (CVSS 7.8) vulnerability in IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2021-47485 records a High severity (CVSS 7.8) vulnerability in IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <bda41654b6e0c125a624ca35d6d20beb8015b5d0 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <3f57c3f67fd93b4da86aeffea1ca32c484d054ad || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <60833707b968d5ae02a75edb7886dcd4a957cf0d || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <73d2892148aa4397a885b4f4afcfc5b27a325c42 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <0f8cdfff06829a0b0348b6debc29ff6a61967724 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <c3e17e58f571f34c51aeb17274ed02c2ed5cf780 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <0d4395477741608d123dad51def9fe50b7ebe952 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <d39bf40e55e666b5905fdbd46a0dced030ce87be | bda41654b6e0c125a624ca35d6d20beb8015b5d0, 3f57c3f67fd93b4da86aeffea1ca32c484d054ad, 60833707b968d5ae02a75edb7886dcd4a957cf0d, 73d2892148aa4397a885b4f4afcfc5b27a325c42, 0f8cdfff06829a0b0348b6debc29ff6a61967724, c3e17e58f571f34c51aeb17274ed02c2ed5cf780, 0d4395477741608d123dad51def9fe50b7ebe952, d39bf40e55e666b5905fdbd46a0dced030ce87be |
| Linux/Linuxgeneric | 2.6.35 | Not reported |
Published upstream
May 22, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <bda41654b6e0c125a624ca35d6d20beb8015b5d0 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <3f57c3f67fd93b4da86aeffea1ca32c484d054ad || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <60833707b968d5ae02a75edb7886dcd4a957cf0d || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <73d2892148aa4397a885b4f4afcfc5b27a325c42 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <0f8cdfff06829a0b0348b6debc29ff6a61967724 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <c3e17e58f571f34c51aeb17274ed02c2ed5cf780 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <0d4395477741608d123dad51def9fe50b7ebe952 || >=f931551bafe1f10ded7f5282e2aa162c267a2e5d <d39bf40e55e666b5905fdbd46a0dced030ce87be | bda41654b6e0c125a624ca35d6d20beb8015b5d0, 3f57c3f67fd93b4da86aeffea1ca32c484d054ad, 60833707b968d5ae02a75edb7886dcd4a957cf0d, 73d2892148aa4397a885b4f4afcfc5b27a325c42, 0f8cdfff06829a0b0348b6debc29ff6a61967724, c3e17e58f571f34c51aeb17274ed02c2ed5cf780, 0d4395477741608d123dad51def9fe50b7ebe952, d39bf40e55e666b5905fdbd46a0dced030ce87be |
| Linux/Linuxgeneric | 2.6.35 | Not reported |
Published upstream
May 22, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.