CVE-2023-54123: md/raid10: fix memleak for 'conf->bio_split'

Deferred
AliasesUBUNTU-CVE-2023-54123DEBIAN-CVE-2023-54123
Published 24-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-54123 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.4% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5
RHSA-2023:6583RHSA-2023:7077RHSA-2023:7539SUSE-SU-2026:0263-1SUSE-SU-2026:0316-1SUSE-SU-2026:0317-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.22% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu123 products
  • linuxAll versions (No fix recorded) | < 5.4.0-162.179 | < 5.15.0-79.86
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1109.118 | < 5.15.0-1042.47
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.37-1 | < 6.3.7-1
Linux1 product
  • linux≥ fc9977dd069e4f82fcacb262652117c488647319, < 133008af833b4f2e021d2c294c29c70364a3f0ba | ≥ fc9977dd069e4f82fcacb262652117c488647319, < b6460f68c1cc95a80d089af402be501619f228e4 | ≥ fc9977dd069e4f82fcacb262652117c488647319, < 6361b0592b46c465ac926c1f3105d66c30d9658b | ≥ fc9977dd069e4f82fcacb262652117c488647319, < 7f673fa34c0e3f95ee951a1bbf61791164871d2e | ≥ fc9977dd069e4f82fcacb262652117c488647319, < b21019a220d9cac08819bb6c63000de9ee61eb9e | ≥ fc9977dd069e4f82fcacb262652117c488647319, < 5cba3e26c073b535e4e3b825ea481fb29c53943b | ≥ fc9977dd069e4f82fcacb262652117c488647319, < e2fec8d95353a48634b085011626ba3ec8ab8b1c | ≥ fc9977dd069e4f82fcacb262652117c488647319, < c9ac2acde53f5385de185bccf6aaa91cf9ac1541 | 4.12

3 vendors · 125 products

References

11 links
Show all 11 references