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CVE-2022-50784— wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone

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，该漏洞源于克隆SKB失败后可能使用空指针，可能导致空指针取消引用。

AI Predicted 3.7 Difficulty: Theoretical EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 2da4366f9e2c44afedec4acad65a99a3c7da1a35< 8b8e25073f3dab93554ee3d5b264f7c013ebd92a affected
2da4366f9e2c44afedec4acad65a99a3c7da1a35< 0183b7c49cfdda91284505cbcdc7feecde48cbb9 affected
2da4366f9e2c44afedec4acad65a99a3c7da1a35< d3df49dda431f7ae4132a9a0ac25a5134c04e812 affected
5.17 affected
< 5.17 unaffected
6.0.16≤ 6.0.* unaffected
6.1.2≤ 6.1.* unaffected
6.2≤ * unaffected
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I. Basic Information for CVE-2022-50784

Vulnerability Information
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Vulnerability Title
wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, don't try to use it, but rather return as if we should pass it. Coverity CID: 1503456
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，该漏洞源于克隆SKB失败后可能使用空指针，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 2da4366f9e2c44afedec4acad65a99a3c7da1a35 ~ 8b8e25073f3dab93554ee3d5b264f7c013ebd92a -
Linux Linux 5.17 -

II. Public POCs for CVE-2022-50784

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III. Intelligence Information for CVE-2022-50784

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Other References for CVE-2022-50784 (3)

Same Patch Batch · Linux · 2025-12-30 · 244 CVEs total

CVE-2023-54280 9.8 CRITICAL cifs: fix potential race when tree connecting ipc
CVE-2023-54258 9.8 CRITICAL cifs: fix potential oops in cifs_oplock_break
CVE-2023-54257 9.8 CRITICAL net: macb: fix a memory corruption in extended buffer descriptor mode
CVE-2023-54292 9.8 CRITICAL RDMA/irdma: Fix data race on CQP request done
CVE-2023-54237 9.8 CRITICAL net/smc: fix potential panic dues to unprotected smc_llc_srv_add_link()
CVE-2023-54223 9.8 CRITICAL net/mlx5e: xsk: Fix invalid buffer access for legacy rq
CVE-2023-54269 9.8 CRITICAL SUNRPC: double free xprt_ctxt while still in use
CVE-2023-54184 9.8 CRITICAL scsi: target: iscsit: Free cmds before session free
CVE-2023-54203 9.1 CRITICAL ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr
CVE-2022-50880 8.8 HIGH wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()
CVE-2023-54162 8.8 HIGH ksmbd: fix possible memory leak in smb2_lock()
CVE-2023-54214 8.8 HIGH Bluetooth: L2CAP: Fix potential user-after-free
CVE-2023-54318 8.8 HIGH net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add
CVE-2023-54262 8.8 HIGH net/mlx5e: Don't clone flow post action attributes second time
CVE-2023-54250 8.2 HIGH ksmbd: avoid out of bounds access in decode_preauth_ctxt()
CVE-2023-54164 8.0 HIGH Bluetooth: ISO: fix iso_conn related locking and validity issues
CVE-2023-54187 7.8 HIGH f2fs: fix potential corruption when moving a directory
CVE-2023-54326 7.8 HIGH misc: pci_endpoint_test: Free IRQs before removing the device
CVE-2023-54303 7.8 HIGH bpf: Disable preemption in bpf_perf_event_output
CVE-2023-54254 7.8 HIGH drm/ttm: Don't leak a resource on eviction error

Showing top 20 of 244 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50784

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