In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for db_maxag and db_agpref Both db_maxag and db_agpref are used as the index of the db_agfree array, but there is currently no validity check for db_maxag and db_agpref, which can lead to errors. The following is related bug reported by Syzbot: UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:639:20 index 7936 is out of range for type 'atomic_t[128]' Add checking that the values of db_maxag and db_agpref are valid indexes for the db_agfree array.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

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 0.00138.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://git.kernel.org/stable/c/1f74d336990f37703a8eee77153463d65b67f70e cve-icon cve-icon
https://git.kernel.org/stable/c/2323de34a3ae61a9f9b544c18583f71cea86721f cve-icon cve-icon
https://git.kernel.org/stable/c/32bd8f1cbcf8b663e29dd1f908ba3a129541a11b cve-icon cve-icon
https://git.kernel.org/stable/c/5013f8269887642cca784adc8db9b5f0b771533f cve-icon cve-icon
https://git.kernel.org/stable/c/64933ab7b04881c6c18b21ff206c12278341c72e cve-icon cve-icon
https://git.kernel.org/stable/c/a0649e2dd4a3595b5595a29d0064d047c2fae2fb cve-icon cve-icon
https://git.kernel.org/stable/c/c6c8863fb3f57700ab583d875adda04caaf2278a cve-icon cve-icon
https://git.kernel.org/stable/c/ce15b0f1a431168f07b1cc6c9f71206a2db5c809 cve-icon cve-icon
https://git.kernel.org/stable/c/dca403bb035a565bb98ecc1dda5d30f676feda40 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024052100-CVE-2023-52804-b817@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-52804 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-52804 cve-icon
History

Mon, 04 Nov 2024 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 12 Sep 2024 08:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 11 Sep 2024 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:43:30.178Z

Reserved: 2024-05-21T15:19:24.247Z

Link: CVE-2023-52804

cve-icon Vulnrichment

Updated: 2024-08-02T23:11:36.034Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-05-21T16:15:18.820

Modified: 2024-11-21T08:40:37.423

Link: CVE-2023-52804

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-05-21T00:00:00Z

Links: CVE-2023-52804 - Bugzilla