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CVE-2024-40941— wifi: iwlwifi: mvm: don't read past the mfuart notifcation

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:iwlwifi:mvm 组件在处理 MFU 通知时，可能会读取超出分配的通知缓冲区。

CVSS 8.1 · High EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1207 · Rogue Domain Controller

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< 15b37c6fab9d5e40ac399fa1c725118588ed649c affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< 6532f18e66b384b8d4b7e5c9caca042faaa9e8de affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< 46c59a25337049a2a230ce7f7c3b9f21d0aaaad7 affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< 65686118845d427df27ee83a6ddd4885596b0805 affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< a8bc8276af9aeacabb773f0c267cfcdb847c6f2d affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< a05018739a5e6b9dc112c95bd4c59904062c8940 affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< acdfa33c3cf5e1cd185cc1e0486bd0ea9f09c154 affected
bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87< 4bb95f4535489ed830cf9b34b0a891e384d1aee4 affected
… +10 more rows
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I. Basic Information for CVE-2024-40941

Vulnerability Information
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Vulnerability Title
wifi: iwlwifi: mvm: don't read past the mfuart notifcation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't read past the mfuart notifcation In case the firmware sends a notification that claims it has more data than it has, we will read past that was allocated for the notification. Remove the print of the buffer, we won't see it by default. If needed, we can see the content with tracing. This was reported by KFENCE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:iwlwifi:mvm 组件在处理 MFU 通知时，可能会读取超出分配的通知缓冲区。
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 bdccdb854f2fb473f2ac4a6108df3cbfcedd5a87 ~ 15b37c6fab9d5e40ac399fa1c725118588ed649c -
Linux Linux 4.12 -

II. Public POCs for CVE-2024-40941

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III. Intelligence Information for CVE-2024-40941

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Other References for CVE-2024-40941 (8)

Same Patch Batch · Linux · 2024-07-12 · 122 CVEs total

CVE-2024-40999 9.8 CRITICAL net: ena: Add validation for completion descriptors consistency
CVE-2024-40907 9.8 CRITICAL ionic: fix kernel panic in XDP_TX action
CVE-2024-40923 9.8 CRITICAL vmxnet3: disable rx data ring on dma allocation failure
CVE-2024-40983 9.8 CRITICAL tipc: force a dst refcount before doing decryption
CVE-2024-40937 9.8 CRITICAL gve: Clear napi->skb before dev_kfree_skb_any()
CVE-2024-40910 8.8 HIGH ax25: Fix refcount imbalance on inbound connections
CVE-2024-40911 8.8 HIGH wifi: cfg80211: Lock wiphy in cfg80211_get_station
CVE-2024-40953 7.9 HIGH KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
CVE-2024-40956 7.8 HIGH dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list
CVE-2024-40918 7.8 HIGH parisc: Try to fix random segmentation faults in package builds
CVE-2024-40924 7.8 HIGH drm/i915/dpt: Make DPT object unshrinkable
CVE-2024-40925 7.8 HIGH block: fix request.queuelist usage in flush
CVE-2024-40943 7.8 HIGH ocfs2: fix races between hole punching and AIO+DIO
CVE-2024-40947 7.8 HIGH ima: Avoid blocking in RCU read-side critical section
CVE-2024-40949 7.8 HIGH mm: shmem: fix getting incorrect lruvec when replacing a shmem folio
CVE-2024-40990 7.8 HIGH RDMA/mlx5: Add check for srq max_sge attribute
CVE-2024-40986 7.8 HIGH dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr()
CVE-2024-40989 7.8 HIGH KVM: arm64: Disassociate vcpus from redistributor region on teardown
CVE-2024-40984 7.8 HIGH ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."
CVE-2024-40991 7.8 HIGH dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()

Showing top 20 of 122 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-40941

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