CVE-2024-38569

Kernel memory corruption via oversized perf event group

Published Jun 19, 2024 · Updated Aug 5, 2026

Out-of-bounds write in affected Linux kernel releases allows local users to corrupt kernel memory through a crafted perf event group. The HiSilicon PCIe PMU event initialization loop writes each grouped event into event_group without checking HISI_PCIE_MAX_COUNTERS. Reachability requires a system exposing the HiSilicon Hip09 PCIe PMU and local permission to create an oversized perf event group; corruption can crash the kernel or alter kernel data.

CVSS severity7.8
High
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in affected Linux kernel releases allows local users to corrupt kernel memory through a crafted perf event group. The HiSilicon PCIe PMU event initialization loop writes each grouped event into event_group without checking HISI_PCIE_MAX_COUNTERS. Reachability requires a system exposing the HiSilicon Hip09 PCIe PMU and local permission to create an oversized perf event group; corruption can crash the kernel or alter kernel data.

The record

CVE
CVE-2024-38569
Published
Jun 19, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-129, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 19, 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

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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=5.17
  2. Affected versionversion=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <3d1face00ebb7996842aee4214d7d0fb0c77b1e9
  3. Affected versionversion=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <567d34626c22b36579ec0abfdf5eda2949044220
  4. Affected versionversion=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <77fce82678ea5fd51442e62febec2004f79e041b
  5. Affected versionversion=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <8e9aab2492178f25372f1820bfd9289fbd74efd0
  6. Affected versionversion=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <ff48247144d13a3a0817127703724256008efa78

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.17; version=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <3d1face00ebb7996842aee4214d7d0fb0c77b1e9; version=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <567d34626c22b36579ec0abfdf5eda2949044220; version=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <77fce82678ea5fd51442e62febec2004f79e041b; version=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <8e9aab2492178f25372f1820bfd9289fbd74efd0; version=8404b0fbc7fbd42e5c5d28cdedd450e70829c77a <ff48247144d13a3a0817127703724256008efa78

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
7.8UbuntuCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.7Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:H/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-129Improper Validation of Array Index
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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