CVE-2023-54130Public exploit

Kernel warning via undersized HFS catalog records

Published Dec 24, 2025 · Updated Dec 24, 2025

Improper error handling in Linux 5.16 allows local users to trigger a kernel warning by mounting a corrupted HFS image. In fs/hfs/inode.c, hfs_write_inode applies WARN_ON to undersized catalog records and continues into fixed-size reads and writes instead of returning -EIO. Reaching the path requires local filesystem mounting and writeback; the demonstrated consequence is a kernel warning, and continued processing can further corrupt HFS structures.

CVSS severity7.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper error handling in Linux 5.16 allows local users to trigger a kernel warning by mounting a corrupted HFS image. In fs/hfs/inode.c, hfs_write_inode applies WARN_ON to undersized catalog records and continues into fixed-size reads and writes instead of returning -EIO. Reaching the path requires local filesystem mounting and writeback; the demonstrated consequence is a kernel warning, and continued processing can further corrupt HFS structures.

The record

CVE
CVE-2023-54130
Published
Dec 24, 2025
Updated
Dec 24, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30 <82725be426bce0a425cc5e26fbad61ffd29cff03
  2. Affected versionversion=367296925c7625c3969d2a78d7a3e1dee161beb5
  3. Affected versionversion=48d9e2e6de01ed35e965eb549758a837c07b601d <f10defb0be6ac42fb6a97b45920d32da6bd6fde8
  4. Affected versionversion=4fd3a11804c8877ff11fec59c5c53f1635331e3e <be01f35efa876eb81cebab2cb0add068b7280ef4
  5. Affected versionversion=5.16
  6. Affected versionversion=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <45917be9f0af339a45b4619f31c902d37b8aed59
  7. Affected versionversion=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <90e019006644dad35862cb4aa270f561b0732066
  8. Affected versionversion=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <cb7a95af78d29442b8294683eca4897544b8ef46
  9. Affected versionversion=8c40f2dbae603ef0bd21e87c63f54ec59fd88256
  10. Affected versionversion=90103ccb6e60aa4efe48993d23d6a528472f2233 <da23752d9660ba7a8ca6c5768fd8776f67f59ee7
  11. Affected versionversion=c886c10a6eddb99923b315f42bf63f448883ef9a <cc2164ada548addfa8ee215196661c3afe0c5154

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30 <82725be426bce0a425cc5e26fbad61ffd29cff03; version=367296925c7625c3969d2a78d7a3e1dee161beb5; version=48d9e2e6de01ed35e965eb549758a837c07b601d <f10defb0be6ac42fb6a97b45920d32da6bd6fde8; version=4fd3a11804c8877ff11fec59c5c53f1635331e3e <be01f35efa876eb81cebab2cb0add068b7280ef4; version=5.16; version=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <45917be9f0af339a45b4619f31c902d37b8aed59; version=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <90e019006644dad35862cb4aa270f561b0732066; version=55d1cbbbb29e6656c662ee8f73ba1fc4777532eb <cb7a95af78d29442b8294683eca4897544b8ef46; version=8c40f2dbae603ef0bd21e87c63f54ec59fd88256; version=90103ccb6e60aa4efe48993d23d6a528472f2233 <da23752d9660ba7a8ca6c5768fd8776f67f59ee7; version=c886c10a6eddb99923b315f42bf63f448883ef9a <cc2164ada548addfa8ee215196661c3afe0c5154

Published CVSS scores

7.8LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

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Technologies

Your stack

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Your stack

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