CVE-2021-47485
HIGHLinux Kernel 2.6.35-4.4.292 - Buffer Overflow in qib_user_sdma_pkt Fields
Title source: llmDescription
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.
References (8)
Core 8
Core References
Scores
CVSS v3
7.8
EPSS
0.0024
EPSS Percentile
14.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (20)
Linux/Linux
< 2.6.35
Linux/Linux
2.6.35
Linux/Linux
4.14.255 - 4.14.*
Linux/Linux
4.19.216 - 4.19.*
Linux/Linux
4.4.292 - 4.4.*
Linux/Linux
4.9.290 - 4.9.*
Linux/Linux
5.10.77 - 5.10.*
Linux/Linux
5.14.16 - 5.14.*
Linux/Linux
5.15
Linux/Linux
5.4.157 - 5.4.*
... and 10 more
Published
May 22, 2024
Tracked Since
Feb 18, 2026