5.5

CVE-2023-53230: smb: client: fix warning in cifs_smb3_do_mount()

Modified
AliasesUBUNTU-CVE-2023-53230DEBIAN-CVE-2023-53230
Published 15-09-2025Last modified 23-05-2026

Vulnerability summary

CVE-2023-53230 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
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 17 · Related 14
RHSA-2024:9315RHSA-2025:9580RHSA-2025:9581SUSE-SU-2025:03600-1SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifs_smb3_do_mount() This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifs_smb3_do_mount() warn: possible memory leak of 'cifs_sb'

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% 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

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.15.0-91.101
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1051.56
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ce0008a0e410cdd95f0d8cd81b2902ec10a660c4, < 9850867042674361f455ea8901375cff5b800be5 | ≥ 8378a51e3f8140f60901fb27208cc7a6e47047b5, < 945f4a7aff84fde1f825d17a5050880345da3228 | ≥ 8378a51e3f8140f60901fb27208cc7a6e47047b5, < eb79f8dfba343667f9a82a252743f4e8f67ce420 | ≥ 8378a51e3f8140f60901fb27208cc7a6e47047b5, < 12c30f33cc6769bf411088a2872843c4f9ea32f9 | 9a167fc440e5693c1cdd7f07071e05658bd9d89d | ee71f8f1cd3c8c4a251fd3e8abc89215ae3457cb | ≥ 5.15.46, < 5.15.128 | ≥ 5.17.14, < 5.18 | ≥ 5.18.3, < 5.19 | 5.19
  • linux_kernel< 5.15.128 | ≥ 5.16, < 6.1.47 | ≥ 6.2, < 6.4.12
Debian1 product
  • linux< 6.1.52-1 | < 6.4.13-1

3 vendors · 127 products

References

8 links