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CVE-2024-46672— wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于wifi:brcmfmac组件存在基于SSID的PMKSA删除问题。

AI Predicted 4.9 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux a96202acaea47fa8377088e0952bb63bd02a3bab< 4291f94f8c6b01505132c22ee27b59ed27c3584f affected
a96202acaea47fa8377088e0952bb63bd02a3bab< 1f566eb912d192c83475a919331aea59619e1197 affected
a96202acaea47fa8377088e0952bb63bd02a3bab< 2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1 affected
6.4 affected
< 6.4 unaffected
6.6.48≤ 6.6.* unaffected
6.10.7≤ 6.10.* unaffected
6.11≤ * unaffected
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I. Basic Information for CVE-2024-46672

Vulnerability Information
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Vulnerability Title
wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion wpa_supplicant 2.11 sends since 1efdba5fdc2c ("Handle PMKSA flush in the driver for SAE/OWE offload cases") SSID based PMKSA del commands. brcmfmac is not prepared and tries to dereference the NULL bssid and pmkid pointers in cfg80211_pmksa. PMKID_V3 operations support SSID based updates so copy the SSID.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于wifi:brcmfmac组件存在基于SSID的PMKSA删除问题。
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 a96202acaea47fa8377088e0952bb63bd02a3bab ~ 4291f94f8c6b01505132c22ee27b59ed27c3584f -
Linux Linux 6.4 -

II. Public POCs for CVE-2024-46672

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III. Intelligence Information for CVE-2024-46672

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Patches & Fixes for CVE-2024-46672 (3)

Same Patch Batch · Linux · 2024-09-11 · 23 CVEs total

CVE-2024-45030 9.8 CRITICAL igb: cope with large MAX_SKB_FRAGS
CVE-2024-45013 9.8 CRITICAL nvme: move stopping keep-alive into nvme_uninit_ctrl()
CVE-2024-45009 8.2 HIGH mptcp: pm: only decrement add_addr_accepted for MPJ req
CVE-2024-45024 7.8 HIGH mm/hugetlb: fix hugetlb vs. core-mm PT locking
CVE-2024-45022 7.8 HIGH mm/vmalloc: fix page mapping if vm_area_alloc_pages() with high order fallback to order 0
CVE-2024-45023 7.8 HIGH md/raid1: Fix data corruption for degraded array with slow disk
CVE-2024-45020 7.8 HIGH bpf: Fix a kernel verifier crash in stacksafe()
CVE-2024-45019 7.8 HIGH net/mlx5e: Take state lock during tx timeout reporter
CVE-2024-45017 7.8 HIGH net/mlx5: Fix IPsec RoCE MPV trace call
CVE-2024-45016 7.8 HIGH netem: fix return value if duplicate enqueue fails
CVE-2024-45021 7.1 HIGH memcg_write_event_control(): fix a user-triggerable oops
CVE-2024-45026 7.0 HIGH s390/dasd: fix error recovery leading to data corruption on ESE devices
CVE-2024-45010 mptcp: pm: only mark 'subflow' endp as available
CVE-2024-45011 char: xillybus: Check USB endpoints when probing device
CVE-2024-45012 nouveau/firmware: use dma non-coherent allocator
CVE-2024-45015 drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()
CVE-2024-45014 s390/boot: Avoid possible physmem_info segment corruption
CVE-2024-45018 netfilter: flowtable: initialise extack before use
CVE-2024-45025 fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE
CVE-2024-45027 usb: xhci: Check for xhci->interrupters being allocated in xhci_mem_clearup()

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-46672

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