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

ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()

If authblob->SessionKey.Length is bigger than session key
size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes.
cifs_arc4_crypt copy to session key array from SessionKey from client.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

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 0.00364.

Exploitation none

Automatable no

Technical Impact partial

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
0626e6641f6b467447c81dd7678a69c66f7746cf affected < bd554ed4fdc3d38404a1c43d428432577573e809
0626e6641f6b467447c81dd7678a69c66f7746cf affected < 30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
0626e6641f6b467447c81dd7678a69c66f7746cf affected < 7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
0626e6641f6b467447c81dd7678a69c66f7746cf affected < ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
0626e6641f6b467447c81dd7678a69c66f7746cf affected < 4b081ce0d830b684fdf967abc3696d1261387254
Linux Linux affected
Version Status Constraints
5.15 affected —
0 unaffected < 5.15
5.15.145 unaffected ≤ 5.15.*
6.1.52 unaffected ≤ 6.1.*
6.4.15 unaffected ≤ 6.4.*
6.5.2 unaffected ≤ 6.5.*
6.6 unaffected ≤ *

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

No data.

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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/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba cve-icon cve-icon
https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254 cve-icon cve-icon
https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4 cve-icon cve-icon
https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809 cve-icon cve-icon
https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20 cve-icon cve-icon
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.01085}

 epss

{'score': 0.00801}

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:36:35.594Z

Reserved: 2024-02-20T12:30:33.291Z

Link: CVE-2023-52440

cve-icon Vulnrichment

Updated: 2024-08-02T22:55:41.777Z

cve-icon NVD

Status : Modified

Published: 2024-02-21T08:15:45.203

Modified: 2024-11-21T08:39:45.973

Link: CVE-2023-52440

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses