CVE-2021-47485
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < bda41654b6e0c125a624ca35d6d20beb8015b5d0 | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < 3f57c3f67fd93b4da86aeffea1ca32c484d054ad | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < 60833707b968d5ae02a75edb7886dcd4a957cf0d | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < 73d2892148aa4397a885b4f4afcfc5b27a325c42 | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < 0f8cdfff06829a0b0348b6debc29ff6a61967724 | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < c3e17e58f571f34c51aeb17274ed02c2ed5cf780 | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < 0d4395477741608d123dad51def9fe50b7ebe952 | affected |
| Linux | Linux | f931551bafe1f10ded7f5282e2aa162c267a2e5d < d39bf40e55e666b5905fdbd46a0dced030ce87be | affected |
| Linux | Linux | 2.6.35 | affected |
| Linux | Linux | 0 < 2.6.35 | unaffected |
| Linux | Linux | 4.4.292 <= 4.4.* | unaffected |
| Linux | Linux | 4.9.290 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.255 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.216 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.157 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.77 <= 5.10.* | unaffected |
| Linux | Linux | 5.14.16 <= 5.14.* | unaffected |
| Linux | Linux | 5.15 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
References
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
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