CVE-2019-18675
kernel: integer overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 22, 2019
Updated · June 28, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.7CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-190 · Integer Overflow or Wraparound