CVE-2024-57900

Kernel use-after-free via concurrent ILA mapping requests

Published Jan 15, 2025 · Updated May 11, 2026

Use-after-free in Linux kernel ILA allows local users to trigger invalid kernel-memory access through concurrent mapping-add requests. ila_add_mapping() permits multiple threads to call nf_register_net_hooks() concurrently, leaving an ILA rhashtable object freed while the IPv6 input hook still looks it up. Exploitation requires local access and the ability to submit concurrent ILA_CMD_ADD commands; the demonstrated consequence is an invalid read detected by KASAN during IPv6 packet processing.

CVSS severity7.8
High
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

Use-after-free in Linux kernel ILA allows local users to trigger invalid kernel-memory access through concurrent mapping-add requests. ila_add_mapping() permits multiple threads to call nf_register_net_hooks() concurrently, leaving an ILA rhashtable object freed while the IPv6 input hook still looks it up. Exploitation requires local access and the ability to submit concurrent ILA_CMD_ADD commands; the demonstrated consequence is an invalid read detected by KASAN during IPv6 packet processing.

The record

CVE
CVE-2024-57900
Published
Jan 15, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-416, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 15, 2025CVE 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=4.5
  2. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <1638f430f8900f2375f5de45508fbe553997e190
  3. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <17e8fa894345e8d2c7a7642482267b275c3d4553
  4. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <260466b576bca0081a7d4acecc8e93687aa22d0e
  5. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <3d1b63cf468e446b9feaf4e4e73182b9cc82f460
  6. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <ad0677c37c14fa28913daea92d139644d7acf04e
  7. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <d3017895e393536b234cf80a83fc463c08a28137
  8. Affected versionversion=7f00feaf107645d95a6d87e99b4d141ac0a08efd <eba25e21dce7ec70e2b3f121b2f3a25a4ec43eca

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.5; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <1638f430f8900f2375f5de45508fbe553997e190; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <17e8fa894345e8d2c7a7642482267b275c3d4553; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <260466b576bca0081a7d4acecc8e93687aa22d0e; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <3d1b63cf468e446b9feaf4e4e73182b9cc82f460; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <ad0677c37c14fa28913daea92d139644d7acf04e; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <d3017895e393536b234cf80a83fc463c08a28137; version=7f00feaf107645d95a6d87e99b4d141ac0a08efd <eba25e21dce7ec70e2b3f121b2f3a25a4ec43eca

Published CVSS scores

7.8NIST National Vulnerability DatabaseCVSS: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 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

CWE-416Use After Free
T1499.004Application or System Exploitation

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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