CVE-2023-53808: wifi: mwifiex: fix memory leak in mwifiex_histogram_read()

Deferred
AliasesUBUNTU-CVE-2023-53808DEBIAN-CVE-2023-53808
Published 09-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53808 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% 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 13 · Related 13
SUSE-SU-2026:0263-1SUSE-SU-2026:0278-1SUSE-SU-2026:0281-1SUSE-SU-2026:0293-1SUSE-SU-2026:0315-1SUSE-SU-2026:0317-1

Timeline

  1. 09-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix memory leak in mwifiex_histogram_read() Always free the zeroed page on return from 'mwifiex_histogram_read()'.

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.

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.4.0-169.187 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1116.126 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.55-1 | < 6.5.3-1
Linux1 product
  • linux≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < d3b53ac2b60283f84bcc650aaa8af98500f37b56 | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 7be90670b967d11f53a9d45bc88fa8ac9daf9709 | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 8f717752f94efae84853e17f2589665c330a0cf5 | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 0c4240d23db525208fd40dd6371ca3254fa1b93d | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 308eb3a609ac39ca9c3e466b35e8825007c8d826 | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 84081b4baafb49211193c6a056d5aee9c0e6ab8e | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 5d66b32a6ecf2e2e1a9523eaa4f8b314832fe06c | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < f76e1da838377777557d78dfeb6d8c532f7118be | ≥ cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73, < 9c8fd72a5c2a031cbc680a2990107ecd958ffcdb | 4.0

3 vendors · 126 products

References

13 links
Show all 13 references