CVE-2025-22124

17

FAUCET Score

CVE-2025-22124 is a medium-severity vulnerability in the Linux kernel's md/md-bitmap component, specifically affecting clustermd. The flaw stems from an incorrect calculation of bitmap_limit when writing the superblock, leading to a failure to update the first 4k superblock area for certain nodes and causing system hangs. With a CVSS score of 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), it requires local access and low privileges, impacting system availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 6.6.44, < 6.7CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 6.10.3, < 6.12.46CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 6.13, < 6.14.2CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 6.10.3, < 6.11CPE match	cpe:2.3:a:linux:linux_kernel::::::::
		>= 6.6.44, < 6.7CPE match	cpe:2.3:a:linux:linux_kernel::::::::

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.18%

Probability of exploitation in next 30 days

EPSS Percentile

7.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0018 is in the 39th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (30)

ubuntupatch availablevia ubuntu_usn

Product: linux-azure-fips (noble)Fixed in: 6.8.0-1052.58+fips1

ubuntupatch availablevia ubuntu_usn

Product: linux-raspi (noble)Fixed in: 6.8.0-1050.54

ubuntupatch availablevia ubuntu_usn

Product: linux-raspi-realtime (noble)Fixed in: 6.8.0-2040.41

ubuntupatch availablevia ubuntu_usn

Product: linux-aws-fips (noble)Fixed in: 6.8.0-1050.53+fips1

ubuntupatch availablevia ubuntu_usn

Product: linux-fips (noble)Fixed in: 6.8.0-106.106+fips1

ubuntupatch availablevia ubuntu_usn

Product: linux-gcp-fips (noble)Fixed in: 6.8.0-1052.55+fips1

ubuntupatch availablevia ubuntu_usn

Product: linux-nvidia-6.8 (jammy)Fixed in: 6.8.0-1049.52~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-nvidia (noble)Fixed in: 6.8.0-1049.52

ubuntupatch availablevia ubuntu_usn

Product: linux-nvidia-lowlatency (noble)Fixed in: 6.8.0-1049.52.1

ubuntupatch availablevia ubuntu_usn

Product: linux-gcp-6.8 (jammy)Fixed in: 6.8.0-1052.55~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-hwe-6.8 (jammy)Fixed in: 6.8.0-106.106~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-ibm-6.8 (jammy)Fixed in: 6.8.0-1049.49~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-lowlatency-hwe-6.8 (jammy)Fixed in: 6.8.0-106.106.1~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-oracle-6.8 (jammy)Fixed in: 6.8.0-1047.48~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux (noble)Fixed in: 6.8.0-106.106

ubuntupatch availablevia ubuntu_usn

Product: linux-aws (noble)Fixed in: 6.8.0-1050.53

ubuntupatch availablevia ubuntu_usn

Product: linux-gcp (noble)Fixed in: 6.8.0-1052.55

ubuntupatch availablevia ubuntu_usn

Product: linux-gke (noble)Fixed in: 6.8.0-1048.53

ubuntupatch availablevia ubuntu_usn

Product: linux-gkeop (noble)Fixed in: 6.8.0-1035.38

ubuntupatch availablevia ubuntu_usn

Product: linux-ibm (noble)Fixed in: 6.8.0-1049.49

ubuntupatch availablevia ubuntu_usn

Product: linux-lowlatency (noble)Fixed in: 6.8.0-106.106.1

ubuntupatch availablevia ubuntu_usn

Product: linux-oracle (noble)Fixed in: 6.8.0-1047.48

ubuntupatch availablevia ubuntu_usn

Product: linux-realtime-6.8 (jammy)Fixed in: 6.8.1-1045.46~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-realtime (noble)Fixed in: 6.8.1-1045.46

ubuntupatch availablevia ubuntu_usn

Product: linux-aws-6.8 (jammy)Fixed in: 6.8.0-1050.53~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-azure-6.8 (jammy)Fixed in: 6.8.0-1051.57~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: linux-azure (noble)Fixed in: 6.8.0-1051.57

ubuntupatch availablevia ubuntu_usn

Product: linux-xilinx (noble)Fixed in: 6.8.0-1029.30

redhatvendor investigatingvia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

redhatvendor investigatingvia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel

Vendor Advisories (12)

ubuntuUSN-8261-1

Linux kernel (Xilinx) vulnerabilities

ubuntuUSN-8165-1

Linux kernel (Azure FIPS) vulnerabilities

ubuntuUSN-8095-5

Linux kernel (Raspberry Pi) vulnerabilities

ubuntuUSN-8126-1

Linux kernel (Azure) vulnerabilities

ubuntuUSN-8125-1

Linux kernel (Azure) vulnerabilities

ubuntuUSN-8095-4

Linux kernel (AWS) vulnerabilities

ubuntuUSN-8095-3

Linux kernel (Real-time) vulnerabilities

ubuntuUSN-8095-2

Linux kernel (FIPS) vulnerabilities

ubuntuUSN-8100-1

Linux kernel (NVIDIA) vulnerabilities

ubuntuUSN-8095-1

Linux kernel vulnerabilities

redhatCVE-2025-22124Moderate

kernel: md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb

microsoft2025-Apr/CVE-2025-22124Moderate

md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb

References

git.kernel.org / stable/c/60196f92bbc7901eb5cfa5d456651b87ea50a4a3

Patch

git.kernel.org / stable/c/6130825f34d41718c98a9b1504a79a23e379701e

Patch

git.kernel.org / stable/c/bc3a9788961631359527763d7e1fcf26554c7cb1

Patch