7.8

CVE-2023-53257: wifi: mac80211: check S1G action frame size

Modified
AliasesUBUNTU-CVE-2023-53257DEBIAN-CVE-2023-53257
Published 15-09-2025Last modified 05-08-2026

Vulnerability summary

CVE-2023-53257 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · +0.01 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 24 · Related 16
RHSA-2025:19440RHSA-2025:19447RHSA-2025:21083RHSA-2025:21091RHSA-2025:21136RHSA-2025:22006

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, check that it even exists in the frame.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.21% 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: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f5a4c24e689f54e66201f04d343bdd2e8a1d7923, < fedd9377dd9c71a950d432fbe1628eebfbed70a1 | ≥ f5a4c24e689f54e66201f04d343bdd2e8a1d7923, < 7ae7a1378a119780c8c17a6b5fc03011c3bb7029 | ≥ f5a4c24e689f54e66201f04d343bdd2e8a1d7923, < 5e030a2509be72b452b6f4a800786d43229414db | ≥ f5a4c24e689f54e66201f04d343bdd2e8a1d7923, < 19e4a47ee74718a22e963e8a647c8c3bfe8bb05c | 5.15
  • linux_kernel< 5.15.133 | ≥ 5.16, < 6.1.55 | ≥ 6.2, < 6.5.5
Debian1 product
  • linux< 6.1.55-1 | < 6.5.6-1

3 vendors · 127 products

References

8 links