Description
In the Linux kernel before 4.1.4, a buffer overflow occurs when checking userspace params in drivers/media/dvb-frontends/cx24116.c. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows larger values such as 23.
References (3)
Core 3
Core References
Patch, Vendor Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/1fa2337a315a2448c5434f41e00d56b01a22283c
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1fa2337a315a2448c5434f41e00d56b01a22283c
Release Notes x_refsource_misc
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4
Scores
CVSS v3
5.5
EPSS
0.0006
EPSS Percentile
19.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (1)
linux/linux_kernel
< 4.1.4
Published
Jul 27, 2019
Tracked Since
Feb 18, 2026