What is CVE-2023-53257?

CVE-2023-53257 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2025-09-15.

How severe is CVE-2023-53257?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2023-53257 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2023-53257

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.

EPSS: 0.001 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Linux — versions f5a4c24e689f54e66201f04d343bdd2e8a1d7923, 5.15, 0
Linux Linux_kernel

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2023-53257?: CVE-2023-53257 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2025-09-15.
How severe is CVE-2023-53257?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2023-53257 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.