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CVE-2023-53257

wifi: mac80211: check S1G action frame size

HIGH
7.8
CVSS Score
Published: September 15, 2025 at 02:46 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 5.15.1335.15 ≤ v < 5.15.1335.15 ≤ v < 6.1.555.15 ≤ v < 6.5.55.15 ≤ v < 6.65.16 ≤ v < 6.1.556.2 ≤ v < 6.5.55.15f5a4c24e689f54e66201f04d343bdd2e8a1d7923
Vendor states this is fixed in 19e4a47ee74718a22e963e8a647c8c3bfe8bb05c (fixed)
Vendor states this is fixed in 5e030a2509be72b452b6f4a800786d43229414db (fixed)
Vendor states this is fixed in 7ae7a1378a119780c8c17a6b5fc03011c3bb7029 (fixed)
Vendor states this is fixed in fedd9377dd9c71a950d432fbe1628eebfbed70a1 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.133 (unaffected)
Vendor states this is fixed in 6.1.55 (unaffected)
Vendor states this is fixed in 6.5.5 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/19e4a47ee74718a22e963e8a647c8c3bfe8bb05c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5e030a2509be72b452b6f4a800786d43229414db
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7ae7a1378a119780c8c17a6b5fc03011c3bb7029
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fedd9377dd9c71a950d432fbe1628eebfbed70a1

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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