CVE-2023-53540

MEDIUM

Linux Kernel - Denial of Service via Malformed AP Authentication/Association Request

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: reject auth/assoc to AP with our address If the AP uses our own address as its MLD address or BSSID, then clearly something's wrong. Reject such connections so we don't try and fail later.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/676a423410131d111a264d29aecbe6aadd57fb22

Patch

https://git.kernel.org/stable/c/07added2c6cd63de047bc786b39436322abb67c0

Patch

https://git.kernel.org/stable/c/5d4e04bf3a0f098bd9033de3a5291810fa14c7a6

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 4.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (11)

linux/Kernel 2.6.32 - 6.1.55linux

linux/Kernel 6.2.0 - 6.5.5linux

Linux/Linux < 2.6.32

Linux/Linux 19957bb399e2722719c0e20c9ae91cf8b6aaff04 - 07added2c6cd63de047bc786b39436322abb67c0

Linux/Linux 19957bb399e2722719c0e20c9ae91cf8b6aaff04 - 5d4e04bf3a0f098bd9033de3a5291810fa14c7a6

Linux/Linux 19957bb399e2722719c0e20c9ae91cf8b6aaff04 - 676a423410131d111a264d29aecbe6aadd57fb22

Linux/Linux 2.6.32

Linux/Linux 6.1.55 - 6.1.*

Linux/Linux 6.5.5 - 6.5.*

Linux/Linux 6.6

... and 1 more

Published Oct 04, 2025

Tracked Since Feb 18, 2026