8.1

CVE-2026-64444

staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop

In the Linux kernel, the following vulnerability has been resolved:

staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop

The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each
iteration but only guards on i < pkt_len. When a malicious AP sends an
AssocResponse whose last IE has only one byte remaining in the frame
(the element_id byte lands at pkt_len-1), the loop reads pIE->length
from pframe[pkt_len], which is one byte past the allocated receive buffer.

Additionally, even when the header bytes are in bounds, pIE->length
itself can extend the data window beyond pkt_len, silently passing a
truncated IE to the handler functions.

Add two guards at the top of the loop body:
  1. Break if fewer than sizeof(*pIE) bytes remain (can't read header).
  2. Break if the IE's declared data extends past pkt_len.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.12 < 5.15.212
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.178
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.145
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.96
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.39
Linux ≫ Linux Kernel Version >= 6.19 < 7.1.4
Linux ≫ Linux Kernel Version 7.2 Update rc1
Linux ≫ Linux Kernel Version 7.2 Update rc2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.28% 0.201
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.1 2.8 5.2
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/889ca6000ac7fa73457b041848fcb08e0d51b809
Patch
https://git.kernel.org/stable/c/1a52a05471494546f955a58e8c170c0c796c52d5
Patch
https://git.kernel.org/stable/c/0406d746574e875d8778552eb674fcfbf5330bfb
Patch
https://git.kernel.org/stable/c/0970dd47726a57e52013594e9fbf667586eb3673
Patch
https://git.kernel.org/stable/c/04f612dc03427e0b1ac80a2611b5ac0ba93ac446
Patch
https://git.kernel.org/stable/c/7e7741c8315e4160aead00a60cdd6f81ab880717
Patch
https://git.kernel.org/stable/c/f9654207e92283e0acac5d64fe5f8835383b5a23
Patch