CVE-2023-54123
Published Dec 24, 2025
Modified Apr 15, 2026
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.
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References
Other References
https://git.kernel.org/stable/c/133008af833b4f2e021d2c294c29c70364a3f0ba
https://git.kernel.org/stable/c/5cba3e26c073b535e4e3b825ea481fb29c53943b
https://git.kernel.org/stable/c/6361b0592b46c465ac926c1f3105d66c30d9658b
https://git.kernel.org/stable/c/7f673fa34c0e3f95ee951a1bbf61791164871d2e
https://git.kernel.org/stable/c/b21019a220d9cac08819bb6c63000de9ee61eb9e
https://git.kernel.org/stable/c/b6460f68c1cc95a80d089af402be501619f228e4
https://git.kernel.org/stable/c/c9ac2acde53f5385de185bccf6aaa91cf9ac1541
https://git.kernel.org/stable/c/e2fec8d95353a48634b085011626ba3ec8ab8b1c
Frequently Asked Questions
What is CVE-2023-54123? +
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.
How do I check if I'm vulnerable to CVE-2023-54123? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.