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.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1fa2337a315a2448c5434f41e00d56b01a22283cPatch, Vendor Advisory
- https://github.com/torvalds/linux/commit/1fa2337a315a2448c5434f41e00d56b01a22283cPatch, Vendor Advisory
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4Release Notes
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1fa2337a315a2448c5434f41e00d56b01a22283cPatch, Vendor Advisory
- https://github.com/torvalds/linux/commit/1fa2337a315a2448c5434f41e00d56b01a22283cPatch, Vendor Advisory
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4Release Notes
Timeline
- Published
- Jul 27, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified