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

md/raid10: fix memleak for 'conf->bio_split'

In the error path of raid10_run(), 'conf' need be freed, however,
'conf->bio_split' is missed and memory will be leaked.

Since there are 3 places to free 'conf', factor out a helper to fix the
problem.

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 0.00036.

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
fc9977dd069e4f82fcacb262652117c488647319 affected < 133008af833b4f2e021d2c294c29c70364a3f0ba
fc9977dd069e4f82fcacb262652117c488647319 affected < b6460f68c1cc95a80d089af402be501619f228e4
fc9977dd069e4f82fcacb262652117c488647319 affected < 6361b0592b46c465ac926c1f3105d66c30d9658b
fc9977dd069e4f82fcacb262652117c488647319 affected < 7f673fa34c0e3f95ee951a1bbf61791164871d2e
fc9977dd069e4f82fcacb262652117c488647319 affected < b21019a220d9cac08819bb6c63000de9ee61eb9e
fc9977dd069e4f82fcacb262652117c488647319 affected < 5cba3e26c073b535e4e3b825ea481fb29c53943b
fc9977dd069e4f82fcacb262652117c488647319 affected < e2fec8d95353a48634b085011626ba3ec8ab8b1c
fc9977dd069e4f82fcacb262652117c488647319 affected < c9ac2acde53f5385de185bccf6aaa91cf9ac1541
Linux Linux affected
Version Status Constraints
4.12 affected —
0 unaffected < 4.12
4.19.283 unaffected ≤ 4.19.*
5.4.243 unaffected ≤ 5.4.*
5.10.180 unaffected ≤ 5.10.*
5.15.111 unaffected ≤ 5.15.*
6.1.28 unaffected ≤ 6.1.*
6.2.15 unaffected ≤ 6.2.*
6.3.2 unaffected ≤ 6.3.*
6.4 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/133008af833b4f2e021d2c294c29c70364a3f0ba cve-icon cve-icon
https://git.kernel.org/stable/c/5cba3e26c073b535e4e3b825ea481fb29c53943b cve-icon cve-icon
https://git.kernel.org/stable/c/6361b0592b46c465ac926c1f3105d66c30d9658b cve-icon cve-icon
https://git.kernel.org/stable/c/7f673fa34c0e3f95ee951a1bbf61791164871d2e cve-icon cve-icon
https://git.kernel.org/stable/c/b21019a220d9cac08819bb6c63000de9ee61eb9e cve-icon cve-icon
https://git.kernel.org/stable/c/b6460f68c1cc95a80d089af402be501619f228e4 cve-icon cve-icon
https://git.kernel.org/stable/c/c9ac2acde53f5385de185bccf6aaa91cf9ac1541 cve-icon cve-icon
https://git.kernel.org/stable/c/e2fec8d95353a48634b085011626ba3ec8ab8b1c cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025122417-CVE-2023-54123-4e1b@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-54123 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-54123 cve-icon
History

Thu, 25 Dec 2025 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Wed, 24 Dec 2025 13:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak for 'conf->bio_split' In the error path of raid10_run(), 'conf' need be freed, however, 'conf->bio_split' is missed and memory will be leaked. Since there are 3 places to free 'conf', factor out a helper to fix the problem.
Title md/raid10: fix memleak for 'conf->bio_split'
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: 2025-12-24T13:06:42.588Z

Reserved: 2025-12-24T13:02:52.521Z

Link: CVE-2023-54123

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-24T13:16:14.263

Modified: 2025-12-29T15:58:34.503

Link: CVE-2023-54123

cve-icon Redhat

Severity : Low

Publid Date: 2025-12-24T00:00:00Z

Links: CVE-2023-54123 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.