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CVE-2022-49544— ipw2x00: Fix potential NULL dereference in libipw_xmit()

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，该漏洞源于在libipw_xmit()中可能发生的空指针取消引用。

AI Predicted 5.6 Difficulty: Moderate EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 1ff6b0727c8988f25eeb670b6c038c1120bb58dd affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< b4628e0d3754ab2fc98ee6e3d21851ba45798077 affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 167affc11781d7d35c4c3a7630a549ac74dd0b21 affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 8fb1b9beb085bb767ae43e441db5ac6fcd66a04d affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 98d1dc32f890642476dbb78ed3437a456bf421b0 affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 48d4a820fd33f012e5f63735a59d15b5a3882882 affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 5f7ea274e88c0eeffe6bd6dbf6cf5c479d356af6 affected
f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f< 528d2023ccf4748fd542582955236c1634a7d293 affected
… +12 more rows
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I. Basic Information for CVE-2022-49544

Vulnerability Information
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Vulnerability Title
ipw2x00: Fix potential NULL dereference in libipw_xmit()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipw2x00: Fix potential NULL dereference in libipw_xmit() crypt and crypt->ops could be null, so we need to checking null before 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，该漏洞源于在libipw_xmit()中可能发生的空指针取消引用。
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 f1bf6638af9e9bbbb6fb0b769054fb7db1ae652f ~ 1ff6b0727c8988f25eeb670b6c038c1120bb58dd -
Linux Linux 2.6.15 -

II. Public POCs for CVE-2022-49544

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III. Intelligence Information for CVE-2022-49544

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Patches & Fixes for CVE-2022-49544 (9)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49479 8.8 HIGH mt76: fix tx status related use-after-free race on station removal
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49328 8.8 HIGH mt76: fix use-after-free by removing a non-RCU wcid pointer
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-49500 8.8 HIGH wl1251: dynamically allocate memory used for DMA
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49544

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