CVE-2017-16534

Description

The cdc_parse_cdc_header function in drivers/usb/core/message.c in the Linux kernel before 4.13.6 allows local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device.

CVSS Metrics

• v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
• v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.11%• Percentile: 28%

Techniques & Countermeasures

• CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

  The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

• linux•linux_kernel

  ≥ 4.4, < 4.4.92 | ≥ 4.5, < 4.9.55 | ≥ 4.10, < 4.13.6

References (3)

• http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
• https://groups.google.com/d/msg/syzkaller/nXnjqI73uPo/6sUyq6kqAgAJ
• https://github.com/torvalds/linux/commit/2e1c42391ff2556387b3cb6308b24f6f65619feb