Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — wifi: mac80211: check S1G action frame size
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H H H 7.8 .0021 11.4 —
AFFECTED
Product Versions Fixed
Linux f5a4c24e689f54e66201f04d343bdd2e8a1d7923 – —
Linux 5.15 – 5.15.133
TIMELINE
Sep 15 Reserved by Linux
Sep 15 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2023-53257 (Linux). CVSS 7.1 → 7.8 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 15, 2025 | Reserved | Reserved by Linux |
| September 15, 2025 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2023-53257 (Linux). CVSS 7.1 → 7.8 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | f5a4c24e689f54e66201f04d343bdd2e8a1d7923 | — |
| Linux | Linux | — | 5.15 | 5.15.133 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-53257 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.