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CVE-2026-68352— wifi: ath6kl: fix OOB read from firmware IE lengths in connect event

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于固件控制的beacon_ie_len、assoc_req_len和assoc_resp_len字段未对缓冲区长度进行验证，可能导致越界读取和状态损坏。

CVSS 8.3 · High EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bdcd81707973cf8aa9305337166f8ee842a050d4< 7cae33e3e09a080db96e3a8980c2c8d288318320 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 1eeed9efc9a40e0635e910c37fee86543041b4e1 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< a38d7d6376b295245b53bc98b7ca682c027abaf7 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 1c690f7c4c5b37108ac8c98b94ce1b3c655a4f5e affected
bdcd81707973cf8aa9305337166f8ee842a050d4< d70c0a850c21b57a6f46ce363860203389bbeaa6 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 33b5342d2080657054ddf89ef1199b426a37dae8 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 94e1bfcefe8264a207c2fda2febb954e70a34b42 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 6b47b29730de3232b919d8362749f6814c5f2a33 affected
… +10 more rows
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I. Basic Information for CVE-2026-68352

Vulnerability Information
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Vulnerability Title
wifi: ath6kl: fix OOB read from firmware IE lengths in connect event
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix OOB read from firmware IE lengths in connect event The firmware-controlled beacon_ie_len, assoc_req_len, and assoc_resp_len fields in ath6kl_wmi_connect_event_rx() are not validated against the buffer length. Their sum (up to 765) can exceed the actual WMI event data, causing out-of-bounds reads during IE parsing and state corruption of wmi->is_wmm_enabled. Add a check that the total IE length fits within the buffer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于固件控制的beacon_ie_len、assoc_req_len和assoc_resp_len字段未对缓冲区长度进行验证，可能导致越界读取和状态损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux bdcd81707973cf8aa9305337166f8ee842a050d4 ~ 7cae33e3e09a080db96e3a8980c2c8d288318320 -
Linux Linux 3.2 -

II. Public POCs for CVE-2026-68352

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III. Intelligence Information for CVE-2026-68352

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Patches & Fixes for CVE-2026-68352 (7)

Same Patch Batch · Linux · 2026-08-10 · 344 CVEs total

CVE-2026-68158 9.8 CRITICAL libceph: Fix multiplication overflow in decode_new_up_state_weight()
CVE-2026-68300 9.8 CRITICAL sctp: auth: verify auth requirement when auth_chunk is NULL
CVE-2026-68388 9.8 CRITICAL smb/client: handle overlapping allocated ranges in fallocate
CVE-2026-68136 9.8 CRITICAL net: gro: fix double aggregation of flush-marked skbs
CVE-2026-68161 9.8 CRITICAL sctp: close UDP tunnel sockets during netns teardown
CVE-2026-68137 9.8 CRITICAL net/x25: fix use-after-free in x25_kill_by_neigh()
CVE-2026-68117 9.8 CRITICAL tipc: clear sock->sk on the failed-insert path in tipc_sk_create()
CVE-2026-68154 9.8 CRITICAL libceph: reject zero bucket types in crush_decode
CVE-2026-68160 9.8 CRITICAL ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()
CVE-2026-68385 9.8 CRITICAL s390/checksum: Fix csum_partial() without vector facility
CVE-2026-68302 9.8 CRITICAL amt: re-read skb header pointers after every pull
CVE-2026-68159 9.8 CRITICAL libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE
CVE-2026-68123 9.8 CRITICAL openvswitch: fix GSO userspace truncation underflow
CVE-2026-68381 9.8 CRITICAL ksmbd: pin conn during async oplock break notification
CVE-2026-68426 9.8 CRITICAL xfrm: fix stale skb->prev after async crypto steals a GSO segment
CVE-2026-68127 9.8 CRITICAL ila: reload IPv6 header after pskb_may_pull in checksum adjust
CVE-2026-68156 9.8 CRITICAL libceph: refresh auth->authorizer_buf{,_len} after authorizer update
CVE-2026-68170 9.8 CRITICAL mptcp: fix stale skb->sk reference on subflow close
CVE-2026-68144 9.8 CRITICAL phonet: pep: fix use-after-free in pep_get_sb()
CVE-2026-68124 9.6 CRITICAL mctp: serial: handle zero-length frames to prevent rx buffer overflow

Showing top 20 of 344 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-68352

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