CVE-2023-54123

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

State: Published
Severity: Not scored
Published: Dec 24, 2025
Updated: May 11, 2026
Reserved: Dec 24, 2025

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	fc9977dd069e4f82fcacb262652117c488647319 to before 133008af833b4f2e021d2c294c29c70364a3f0baAffected fc9977dd069e4f82fcacb262652117c488647319 to before b6460f68c1cc95a80d089af402be501619f228e4Affected fc9977dd069e4f82fcacb262652117c488647319 to before 6361b0592b46c465ac926c1f3105d66c30d9658bAffected fc9977dd069e4f82fcacb262652117c488647319 to before 7f673fa34c0e3f95ee951a1bbf61791164871d2eAffected fc9977dd069e4f82fcacb262652117c488647319 to before b21019a220d9cac08819bb6c63000de9ee61eb9eAffected fc9977dd069e4f82fcacb262652117c488647319 to before 5cba3e26c073b535e4e3b825ea481fb29c53943bAffected fc9977dd069e4f82fcacb262652117c488647319 to before e2fec8d95353a48634b085011626ba3ec8ab8b1cAffected fc9977dd069e4f82fcacb262652117c488647319 to before c9ac2acde53f5385de185bccf6aaa91cf9ac1541Affected
LinuxLinux	4.12Affected before 4.12Not affected 4.19.283 through 4.19.Not affected 5.4.243 through 5.4.Not affected 5.10.180 through 5.10.Not affected 5.15.111 through 5.15.Not affected 6.1.28 through 6.1.Not affected 6.2.15 through 6.2.Not affected 6.3.2 through 6.3.*Not affected 6.4 and laterNot affected

Product

Versions

LinuxLinux

fc9977dd069e4f82fcacb262652117c488647319 to before 133008af833b4f2e021d2c294c29c70364a3f0baAffected
fc9977dd069e4f82fcacb262652117c488647319 to before b6460f68c1cc95a80d089af402be501619f228e4Affected
fc9977dd069e4f82fcacb262652117c488647319 to before 6361b0592b46c465ac926c1f3105d66c30d9658bAffected
fc9977dd069e4f82fcacb262652117c488647319 to before 7f673fa34c0e3f95ee951a1bbf61791164871d2eAffected
fc9977dd069e4f82fcacb262652117c488647319 to before b21019a220d9cac08819bb6c63000de9ee61eb9eAffected
fc9977dd069e4f82fcacb262652117c488647319 to before 5cba3e26c073b535e4e3b825ea481fb29c53943bAffected
fc9977dd069e4f82fcacb262652117c488647319 to before e2fec8d95353a48634b085011626ba3ec8ab8b1cAffected
fc9977dd069e4f82fcacb262652117c488647319 to before c9ac2acde53f5385de185bccf6aaa91cf9ac1541Affected

LinuxLinux

4.12Affected
before 4.12Not affected
4.19.283 through 4.19.*Not affected
5.4.243 through 5.4.*Not affected
5.10.180 through 5.10.*Not affected
5.15.111 through 5.15.*Not affected
6.1.28 through 6.1.*Not affected
6.2.15 through 6.2.*Not affected
6.3.2 through 6.3.*Not affected
6.4 and laterNot affected

References

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