CVE-2024-26968

Kernel data compromise via unterminated frequency tables

Published May 1, 2024 · Updated Aug 5, 2026

Out-of-bounds access in the Linux IPQ9574 clock driver allows local users to compromise kernel data through frequency lookup. Several arrays in drivers/clk/qcom/gcc-ipq9574.c omit the empty sentinel expected by qcom_find_freq() and qcom_find_freq_floor(), so traversal continues past their bounds. Reachability requires local low-privileged access on a system using the Qualcomm IPQ9574 clock driver; consequences include kernel-data disclosure, integrity loss, and a system crash.

CVSS severity7.3
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 access in the Linux IPQ9574 clock driver allows local users to compromise kernel data through frequency lookup. Several arrays in drivers/clk/qcom/gcc-ipq9574.c omit the empty sentinel expected by qcom_find_freq() and qcom_find_freq_floor(), so traversal continues past their bounds. Reachability requires local low-privileged access on a system using the Qualcomm IPQ9574 clock driver; consequences include kernel-data disclosure, integrity loss, and a system crash.

The record

CVE
CVE-2024-26968
Published
May 1, 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. May 1, 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=6.4
  2. Affected versionversion=d75b82cff48883b5e75abfd3930afa7a148ab440 <0204247cf3669b6021fb745c3b7f37ae392ab19c
  3. Affected versionversion=d75b82cff48883b5e75abfd3930afa7a148ab440 <1723629fea8a4e75333196866e10d395463dca72
  4. Affected versionversion=d75b82cff48883b5e75abfd3930afa7a148ab440 <604f2d7c46727c5e24fc7faddc980bc1cc0b1011
  5. Affected versionversion=d75b82cff48883b5e75abfd3930afa7a148ab440 <bd2b6395671d823caa38d8e4d752de2448ae61e1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.4; version=d75b82cff48883b5e75abfd3930afa7a148ab440 <0204247cf3669b6021fb745c3b7f37ae392ab19c; version=d75b82cff48883b5e75abfd3930afa7a148ab440 <1723629fea8a4e75333196866e10d395463dca72; version=d75b82cff48883b5e75abfd3930afa7a148ab440 <604f2d7c46727c5e24fc7faddc980bc1cc0b1011; version=d75b82cff48883b5e75abfd3930afa7a148ab440 <bd2b6395671d823caa38d8e4d752de2448ae61e1

Published CVSS scores

7.3kernel.orgCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/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 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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