In the Linux kernel, the following vulnerability has been resolved:

ext4: correct grp validation in ext4_mb_good_group

Group corruption check will access memory of grp and will trigger kernel
crash if grp is NULL. So do NULL check before corruption check.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
100c0ad6c04597fefeaaba2bb1827cc015d95067 affected < 245759d987b617d183061db6ab8886ebb5cc78e9
620a3c28221bb219b81bc0bffd065cc187494302 affected < 3e24082f16825279054a2b8a5e668d65070bbf07
b4319e457d6e3fb33e443efeaf4634fc36e8a9ed affected < 772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d
5354b2af34064a4579be8bc0e2f15a7b70f14b5f affected < 83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4
5354b2af34064a4579be8bc0e2f15a7b70f14b5f affected < e69d665987db0e37896adf78a7e718f9a0a75d3f
5354b2af34064a4579be8bc0e2f15a7b70f14b5f affected < a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93
31668cebf45adfb6283e465e641c4f5a21b07afa affected —
Linux Linux affected
Version Status Constraints
6.4 affected —
0 unaffected < 6.4
5.10.195 unaffected ≤ 5.10.*
5.15.132 unaffected ≤ 5.15.*
6.1.53 unaffected ≤ 6.1.*
6.4.16 unaffected ≤ 6.4.*
6.5.3 unaffected ≤ 6.5.*
6.6 unaffected ≤ *

No data.

No data.

No data.

Project Subscriptions

Vendors Products
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Linux Kernel Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9 cve-icon cve-icon
https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07 cve-icon cve-icon
https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d cve-icon cve-icon
https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4 cve-icon cve-icon
https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93 cve-icon cve-icon
https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120905-CVE-2023-53861-22c6@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53861 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53861 cve-icon
History

Wed, 10 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Tue, 09 Dec 2025 02:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4_mb_good_group Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check.
Title ext4: correct grp validation in ext4_mb_good_group
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-09T01:30:29.423Z

Reserved: 2025-12-09T01:27:17.829Z

Link: CVE-2023-53861

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-09T16:17:26.857

Modified: 2025-12-09T18:37:13.640

Link: CVE-2023-53861

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-12-09T00:00:00Z

Links: CVE-2023-53861 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.