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CVE-2023-54053— wifi: iwlwifi: pcie: fix possible NULL pointer dereference

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iwlwifi pcie在探测失败后移除时可能访问已释放的内存，可能导致空指针取消引用。

AI Predicted 6.6 Difficulty: Moderate EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 809805a820c6445f7a701ded24fdc6bbc841d1e4< f6f2d16c77f936041b8ac495fceabded4ec6c83c affected
809805a820c6445f7a701ded24fdc6bbc841d1e4< 0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7 affected
809805a820c6445f7a701ded24fdc6bbc841d1e4< 7545f21eee1356ec98581125c4dba9c4c0cc7397 affected
809805a820c6445f7a701ded24fdc6bbc841d1e4< 0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb affected
809805a820c6445f7a701ded24fdc6bbc841d1e4< dcd23aa6cc0ded7950b60ce1badb80b84045c6c0 affected
809805a820c6445f7a701ded24fdc6bbc841d1e4< b655b9a9f8467684cfa8906713d33b71ea8c8f54 affected
5.4 affected
< 5.4 unaffected
… +6 more rows
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I. Basic Information for CVE-2023-54053

Vulnerability Information
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Vulnerability Title
wifi: iwlwifi: pcie: fix possible NULL pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix possible NULL pointer dereference It is possible that iwl_pci_probe() will fail and free the trans, then afterwards iwl_pci_remove() will be called and crash by trying to access trans which is already freed, fix it. iwlwifi 0000:01:00.0: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2 wfpm id 0xa5a5a5a2 iwlwifi 0000:01:00.0: Can't find a correct rfid for crf id 0x5a2 ... BUG: kernel NULL pointer dereference, address: 0000000000000028 ... RIP: 0010:iwl_pci_remove+0x12/0x30 [iwlwifi] pci_device_remove+0x3e/0xb0 device_release_driver_internal+0x103/0x1f0 driver_detach+0x4c/0x90 bus_remove_driver+0x5c/0xd0 driver_unregister+0x31/0x50 pci_unregister_driver+0x40/0x90 iwl_pci_unregister_driver+0x15/0x20 [iwlwifi] __exit_compat+0x9/0x98 [iwlwifi] __x64_sys_delete_module+0x147/0x260
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iwlwifi pcie在探测失败后移除时可能访问已释放的内存，可能导致空指针取消引用。
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 809805a820c6445f7a701ded24fdc6bbc841d1e4 ~ f6f2d16c77f936041b8ac495fceabded4ec6c83c -
Linux Linux 5.4 -

II. Public POCs for CVE-2023-54053

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III. Intelligence Information for CVE-2023-54053

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Other References for CVE-2023-54053 (3)

Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters

Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54053

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