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 das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
Produkt Linux
Default Statusunaffected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 889ca6000ac7fa73457b041848fcb08e0d51b809
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 1a52a05471494546f955a58e8c170c0c796c52d5
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 0406d746574e875d8778552eb674fcfbf5330bfb
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 0970dd47726a57e52013594e9fbf667586eb3673
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 04f612dc03427e0b1ac80a2611b5ac0ba93ac446
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < 7e7741c8315e4160aead00a60cdd6f81ab880717
Status affected
Version 554c0a3abf216c991c5ebddcdb2c08689ecd290b
Version < f9654207e92283e0acac5d64fe5f8835383b5a23
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 4.12
Status affected
Version 0
Version < 4.12
Status unaffected
Version <= 5.15.*
Version 5.15.212
Status unaffected
Version <= 6.1.*
Version 6.1.178
Status unaffected
Version <= 6.6.*
Version 6.6.145
Status unaffected
Version <= 6.12.*
Version 6.12.96
Status unaffected
Version <= 6.18.*
Version 6.18.39
Status unaffected
Version <= 7.1.*
Version 7.1.4
Status unaffected
Version <= *
Version 7.2
Status unaffected
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
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/889ca6000ac7fa73457b041848fcb08e0d51b809
https://git.kernel.org/stable/c/1a52a05471494546f955a58e8c170c0c796c52d5
https://git.kernel.org/stable/c/0406d746574e875d8778552eb674fcfbf5330bfb
https://git.kernel.org/stable/c/0970dd47726a57e52013594e9fbf667586eb3673
https://git.kernel.org/stable/c/04f612dc03427e0b1ac80a2611b5ac0ba93ac446
https://git.kernel.org/stable/c/7e7741c8315e4160aead00a60cdd6f81ab880717
https://git.kernel.org/stable/c/f9654207e92283e0acac5d64fe5f8835383b5a23