CVE-2024-42105

Kernel malfunction via malformed inode range metadata

Published Jul 30, 2024 · Updated Aug 5, 2026

Improper range validation in Linux NILFS2 allows local users to disrupt kernel operation through a malformed filesystem image. The loader accepts an unchecked ns_first_ino value, causing reserved-inode macros to misclassify inode numbers or perform undefined-width bit shifts. The trigger requires local access and processing of a crafted NILFS2 superblock; published sources do not identify a deterministic failure mode.

CVSS severity5.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper range validation in Linux NILFS2 allows local users to disrupt kernel operation through a malformed filesystem image. The loader accepts an unchecked ns_first_ino value, causing reserved-inode macros to misclassify inode numbers or perform undefined-width bit shifts. The trigger requires local access and processing of a crafted NILFS2 superblock; published sources do not identify a deterministic failure mode.

The record

CVE
CVE-2024-42105
Published
Jul 30, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 30, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=2.6.30
  2. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <08cab183a624ba71603f3754643ae11cab34dbc4
  3. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <1c91058425a01131ea30dda6cf43c67b17884d6a
  4. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <3be4dcc8d7bea52ea41f87aa4bbf959efe7a5987
  5. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <57235c3c88bb430043728d0d02f44a4efe386476
  6. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <731011ac6c37cbe97ece229fc6daa486276052c5
  7. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <9194f8ca57527958bee207919458e372d638d783
  8. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <e2fec219a36e0993642844be0f345513507031f4
  9. Affected versionversion=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <fae1959d6ab2c52677b113935e36ab4e25df37ea

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=2.6.30; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <08cab183a624ba71603f3754643ae11cab34dbc4; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <1c91058425a01131ea30dda6cf43c67b17884d6a; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <3be4dcc8d7bea52ea41f87aa4bbf959efe7a5987; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <57235c3c88bb430043728d0d02f44a4efe386476; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <731011ac6c37cbe97ece229fc6daa486276052c5; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <9194f8ca57527958bee207919458e372d638d783; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <e2fec219a36e0993642844be0f345513507031f4; version=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f <fae1959d6ab2c52677b113935e36ab4e25df37ea

Published CVSS scores

5.8Oracle LinuxCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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