CVE-2024-45023

Data corruption via unchecked RAID1 recovery state

Published Sep 11, 2024 · Updated Aug 5, 2026

Data corruption in Linux kernel RAID1 6.9 through 6.10.6 and 6.11-rc1 through 6.11-rc3 allows local users to read unrecovered data. The read_balance path calls choose_bb_rdev and choose_slow_rdev without rejecting a normal disk whose recovery has not reached the requested sector, selecting stale blocks instead of a slow member holding valid data. The condition requires a degraded RAID1 array with a replacement disk still recovering; affected reads can return corrupt data.

CVSS severity7.8
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Data corruption in Linux kernel RAID1 6.9 through 6.10.6 and 6.11-rc1 through 6.11-rc3 allows local users to read unrecovered data. The read_balance path calls choose_bb_rdev and choose_slow_rdev without rejecting a normal disk whose recovery has not reached the requested sector, selecting stale blocks instead of a slow member holding valid data. The condition requires a degraded RAID1 array with a replacement disk still recovering; affected reads can return corrupt data.

The record

CVE
CVE-2024-45023
Published
Sep 11, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-787
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 11, 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=6.9
  2. Affected versionversion=dfa8ecd167c1753d4fc24a517e1d79c603183c94 <2febf5fdbf5d9a52ddc3e986971c8609b1582d67
  3. Affected versionversion=dfa8ecd167c1753d4fc24a517e1d79c603183c94 <c916ca35308d3187c9928664f9be249b22a3a701

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.9; version=dfa8ecd167c1753d4fc24a517e1d79c603183c94 <2febf5fdbf5d9a52ddc3e986971c8609b1582d67; version=dfa8ecd167c1753d4fc24a517e1d79c603183c94 <c916ca35308d3187c9928664f9be249b22a3a701

Published CVSS scores

7.1NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
7.8Linux Kernel CVE TeamCVSS: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.

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

CWE-787Out-of-bounds Write

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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