CVE-2024-45003

Local system hang via inode eviction deadlock

Published Sep 4, 2024 · Updated May 11, 2026

Improper locking in the Linux kernel VFS allows local users to hang the system by racing inode reclaim with inode eviction. prune_icache_sb marks reclaimable inodes I_FREEING before dispose_list, while ext4_evict_inode or ubifs_jnl_write_inode can look up an isolated xattr inode and wait on the state that the blocked traversal must clear. Reachability requires low-privileged local access, a timing race, and ext4 with ea_inode or UBIFS with xattrs; the bounded impact is a deadlocked system.

CVSS severity4.7
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper locking in the Linux kernel VFS allows local users to hang the system by racing inode reclaim with inode eviction. prune_icache_sb marks reclaimable inodes I_FREEING before dispose_list, while ext4_evict_inode or ubifs_jnl_write_inode can look up an isolated xattr inode and wait on the state that the blocked traversal must clear. Reachability requires low-privileged local access, a timing race, and ext4 with ea_inode or UBIFS with xattrs; the bounded impact is a deadlocked system.

The record

CVE
CVE-2024-45003
Published
Sep 4, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-667, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 4, 2024CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record 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=4.13
  2. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <03880af02a78bc9a98b5a581f529cf709c88a9b8
  3. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <2a0629834cd82f05d424bbc193374f9a43d1f87d
  4. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <3525ad25240dfdd8c78f3470911ed10aa727aa72
  5. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <437741eba63bf4e437e2beb5583f8633556a2b98
  6. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <9063ab49c11e9518a3f2352434bb276cc8134c5f
  7. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <b9bda5f6012dd00372f3a06a82ed8971a4c57c32
  8. Affected versionversion=e50e5129f384ae282adebfb561189cdb19b81cee <cda54ec82c0f9d05393242b20b13f69b083f7e88

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.13; version=e50e5129f384ae282adebfb561189cdb19b81cee <03880af02a78bc9a98b5a581f529cf709c88a9b8; version=e50e5129f384ae282adebfb561189cdb19b81cee <2a0629834cd82f05d424bbc193374f9a43d1f87d; version=e50e5129f384ae282adebfb561189cdb19b81cee <3525ad25240dfdd8c78f3470911ed10aa727aa72; version=e50e5129f384ae282adebfb561189cdb19b81cee <437741eba63bf4e437e2beb5583f8633556a2b98; version=e50e5129f384ae282adebfb561189cdb19b81cee <9063ab49c11e9518a3f2352434bb276cc8134c5f; version=e50e5129f384ae282adebfb561189cdb19b81cee <b9bda5f6012dd00372f3a06a82ed8971a4c57c32; version=e50e5129f384ae282adebfb561189cdb19b81cee <cda54ec82c0f9d05393242b20b13f69b083f7e88

Published CVSS scores

4.7NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-667Improper Locking
T1499Endpoint Denial of Service

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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