CVE-2019-18675
High
Description
The Linux kernel through 5.3.13 has a start_offset+size Integer Overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allows local users (with /dev/video0 access) to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedNov 25, 2019
First seenNov 25, 2019
How to fix
Update
- linux linux_kernel3.16.60, 3.18.113, 4.4.137, 4.9.108, 4.14.49, 4.16.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.16.60, 3.17 ≤ v < 3.18.113, 3.19 ≤ v < 4.4.137, 4.5 ≤ v < 4.9.108, 4.10 ≤ v < 4.14.49, 4.15 ≤ v < 4.16.15 | 3.16.60, 3.18.113, 4.4.137, 4.9.108, 4.14.49, 4.16.15 |
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