CVE-2021-47485
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 22, 2024
First seenMay 22, 2024
How to fix
Update
- linux linux_kernel4.4.292, 4.9.290, 4.14.255, 4.19.216, 5.4.157, 5.10.77, 5.14.16 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.35 ≤ v < 4.4.292, 4.5 ≤ v < 4.9.290, 4.10 ≤ v < 4.14.255, 4.15 ≤ v < 4.19.216, 4.20 ≤ v < 5.4.157, 5.5 ≤ v < 5.10.77, 5.11 ≤ v < 5.14.16, 5.15 | 4.4.292, 4.9.290, 4.14.255, 4.19.216, 5.4.157, 5.10.77, 5.14.16 |
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