CVE-2021-47485
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47485
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47485.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-47485
- Downstream
- Related
- Published
- 2024-05-22T09:15:10Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
IB/qib: Protect from buffer overflow in struct qibusersdma_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.
- References
-
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
- 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/bda41654b6e0c125a624ca35d6d20beb8015b5d0
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be