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CVE-2023-52919— nfc: nci: fix possible NULL pointer dereference in send_acknowledge()

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nfc驱动程序中的nci_skb_alloc函数在内存分配失败时未进行检查，可能导致NULL指针取消引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 391d8a2da787257aeaf952c974405b53926e3fb3< 2b2edf089df3a69f0072c6e71563394c5a94e62e affected
391d8a2da787257aeaf952c974405b53926e3fb3< 5622592f8f74ae3e594379af02e64ea84772d0dd affected
391d8a2da787257aeaf952c974405b53926e3fb3< 76050b0cc5a72e0c7493287b7e18e1cb9e3c4612 affected
391d8a2da787257aeaf952c974405b53926e3fb3< c95fa5b20fe03609e0894656fa43c18045b5097e affected
391d8a2da787257aeaf952c974405b53926e3fb3< ffdc881f68073ff86bf21afb9bb954812e8278be affected
391d8a2da787257aeaf952c974405b53926e3fb3< d7dbdbe3800a908eecd4975c31be47dd45e2104a affected
391d8a2da787257aeaf952c974405b53926e3fb3< bb6cacc439ddd2cd51227ab193f4f91cfc7f014f affected
391d8a2da787257aeaf952c974405b53926e3fb3< 7937609cd387246aed994e81aa4fa951358fba41 affected
… +10 more rows
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I. Basic Information for CVE-2023-52919

Vulnerability Information
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Vulnerability Title
nfc: nci: fix possible NULL pointer dereference in send_acknowledge()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix possible NULL pointer dereference in send_acknowledge() Handle memory allocation failure from nci_skb_alloc() (calling alloc_skb()) to avoid possible 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nfc驱动程序中的nci_skb_alloc函数在内存分配失败时未进行检查，可能导致NULL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 391d8a2da787257aeaf952c974405b53926e3fb3 ~ 2b2edf089df3a69f0072c6e71563394c5a94e62e -
Linux Linux 3.11 -

II. Public POCs for CVE-2023-52919

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III. Intelligence Information for CVE-2023-52919

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Patches & Fixes for CVE-2023-52919 (6)

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52919

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