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CVE-2025-40234— platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers

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alienware-wmi-wmax睡眠处理程序中未检查AWCC接口初始化，可能导致空指针解引用。

AI Predicted 3.3 Difficulty: Easy EPSS 0.19% · P8

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 07ac275981b1f11a58dd7bb7790eed66252b072c< 24c3812c9e817d19e4842d7495561594de1ddcb4 affected
07ac275981b1f11a58dd7bb7790eed66252b072c< a49c4d48c3b60926e6a8cec217bf95aa65388ecc affected
6.16 affected
< 6.16 unaffected
6.17.6≤ 6.17.* unaffected
6.18≤ * unaffected
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I. Basic Information for CVE-2025-40234

Vulnerability Information
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Vulnerability Title
platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers Devices without the AWCC interface don't initialize `awcc`. Add a check before dereferencing it in sleep handlers.
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alienware-wmi-wmax睡眠处理程序中未检查AWCC接口初始化，可能导致空指针解引用。
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 07ac275981b1f11a58dd7bb7790eed66252b072c ~ 24c3812c9e817d19e4842d7495561594de1ddcb4 -
Linux Linux 6.16 -

II. Public POCs for CVE-2025-40234

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III. Intelligence Information for CVE-2025-40234

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Same Patch Batch · Linux · 2025-12-04 · 53 CVEs total

CVE-2025-40261 9.8 CRITICAL nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl()
CVE-2025-40252 9.8 CRITICAL net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()
CVE-2025-40258 9.8 CRITICAL mptcp: fix race condition in mptcp_schedule_work()
CVE-2025-40257 9.8 CRITICAL mptcp: fix a race in mptcp_pm_del_add_timer()
CVE-2025-40253 8.8 HIGH s390/ctcm: Fix double-kfree
CVE-2025-40266 8.2 HIGH KVM: arm64: Check the untrusted offset in FF-A memory share
CVE-2025-40244 7.8 HIGH hfsplus: fix KMSAN uninit-value issue in __hfsplus_ext_cache_extent()
CVE-2025-40251 7.8 HIGH devlink: rate: Unset parent pointer in devl_rate_nodes_destroy
CVE-2025-40262 7.8 HIGH Input: imx_sc_key - fix memory corruption on unload
CVE-2025-40250 7.8 HIGH net/mlx5: Clean up only new IRQ glue on request_irq() failure
CVE-2025-40248 7.8 HIGH vsock: Ignore signal/timeout on connect() if already established
CVE-2025-40249 7.8 HIGH gpio: cdev: make sure the cdev fd is still active before emitting events
CVE-2025-40245 7.8 HIGH nios2: ensure that memblock.current_limit is set when setting pfn limits
CVE-2025-40214 7.8 HIGH af_unix: Initialise scc_index in unix_add_edge().
CVE-2025-40243 7.8 HIGH hfs: fix KMSAN uninit-value issue in hfs_find_set_zero_bits()
CVE-2025-40241 7.8 HIGH erofs: fix crafted invalid cases for encoded extents
CVE-2025-40233 7.8 HIGH ocfs2: clear extent cache after moving/defragmenting extents
CVE-2025-40216 7.8 HIGH io_uring/rsrc: don't rely on user vaddr alignment
CVE-2025-40215 7.8 HIGH xfrm: delete x->tunnel as we delete x
CVE-2025-40240 7.5 HIGH sctp: avoid NULL dereference when chunk data buffer is missing

Showing top 20 of 53 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40234

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