Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.35, < 4.4.292 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952Patch
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724Patch
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054adPatch
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0dPatch
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42Patch
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0Patch
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780Patch
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87bePatch
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952Patch
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724Patch
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054adPatch
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0dPatch
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42Patch
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0Patch
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780Patch
FAQ
What is CVE-2021-47485?
CVE-2021-47485 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 users...
How severe is CVE-2021-47485?
CVE-2021-47485 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47485?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.