CVE-2023-53302— wifi: iwl4965: Add missing check for create_singlethread_workqueue()
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，该漏洞源于未检查create_singlethread_workqueue返回值，可能导致空指针取消引用。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for StealthAffected Version Matrix 16
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b481de9ca074528fe8c429604e2777db8b89806a< 874a85051cc8df8c5b928d8ff172b342cdc5424b |
affected |
b481de9ca074528fe8c429604e2777db8b89806a< c002d2741400771171b68dde9af937a4dfa0d1b3 |
affected | ||
b481de9ca074528fe8c429604e2777db8b89806a< 3185d6cfc59277a77bf311dce701b7e25193f66a |
affected | ||
b481de9ca074528fe8c429604e2777db8b89806a< f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaad |
affected | ||
b481de9ca074528fe8c429604e2777db8b89806a< 2f85c768bea2057e3299d19514da9e932c4f92d2 |
affected | ||
b481de9ca074528fe8c429604e2777db8b89806a< 878a7c8357764e08bc778bcb26127fc12a4b36b7 |
affected | ||
b481de9ca074528fe8c429604e2777db8b89806a< 26e6775f75517ad6844fe5b79bc5f3fa8c22ee61 |
affected | ||
2.6.24 |
affected | ||
| … +8 more rows | |||
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I. Basic Information for CVE-2023-53302
Vulnerability Information
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Vulnerability Title
wifi: iwl4965: Add missing check for create_singlethread_workqueue()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwl4965: Add missing check for create_singlethread_workqueue()
Add the check for the return value of the create_singlethread_workqueue()
in order to avoid NULL pointer dereference.
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，该漏洞源于未检查create_singlethread_workqueue返回值，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
II. Public POCs for CVE-2023-53302
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Linux · 2025-09-16 · 115 CVEs total
| CVE-2022-50350 | 9.8 CRITICAL | scsi: target: iscsi: Fix a race condition between login_work and the login thread |
| CVE-2025-39806 | 8.8 HIGH | HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() |
| CVE-2023-53315 | 8.8 HIGH | wifi: ath11k: Fix SKB corruption in REO destination ring |
| CVE-2023-53305 | 8.8 HIGH | Bluetooth: L2CAP: Fix use-after-free |
| CVE-2025-39827 | 8.8 HIGH | net: rose: include node references in rose_neigh refcount |
| CVE-2025-39826 | 8.8 HIGH | net: rose: convert 'use' field to refcount_t |
| CVE-2023-53322 | 8.8 HIGH | scsi: qla2xxx: Wait for io return on terminate rport |
| CVE-2023-53297 | 8.8 HIGH | Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp |
| CVE-2025-39809 | 8.4 HIGH | HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length |
| CVE-2023-53333 | 8.2 HIGH | netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one |
| CVE-2023-53314 | 7.8 HIGH | fbdev/ep93xx-fb: Do not assign to struct fb_info.dev |
| CVE-2025-39815 | 7.8 HIGH | RISC-V: KVM: fix stack overrun when loading vlenb |
| CVE-2023-53286 | 7.8 HIGH | RDMA/mlx5: Return the firmware result upon destroying QP/RQ |
| CVE-2025-39818 | 7.8 HIGH | HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save |
| CVE-2023-53311 | 7.8 HIGH | nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput |
| CVE-2022-50341 | 7.8 HIGH | cifs: fix oops during encryption |
| CVE-2025-39825 | 7.8 HIGH | smb: client: fix race with concurrent opens in rename(2) |
| CVE-2023-53263 | 7.8 HIGH | drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create |
| CVE-2025-39810 | 7.8 HIGH | bnxt_en: Fix memory corruption when FW resources change during ifdown |
| CVE-2023-53331 | 7.8 HIGH | pstore/ram: Check start of empty przs during init |
Showing top 20 of 115 CVEs. View all on vendor page → →
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Same vendor: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
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dm-pcache: reject a kset that overruns its segment -
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V. Comments for CVE-2023-53302
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