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CVE-2025-21735— NFC: nci: Add bounds checking in nci_hci_create_pipe()

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nci_hci_create_pipe函数中未对pipe变量进行边界检查，可能导致内存损坏。

CVSS 8.8 · High EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux a1b0b9415817c14d207921582f269d03f848b69f< bd249109d266f1d52548c46634a15b71656e0d44 affected
a1b0b9415817c14d207921582f269d03f848b69f< 674e17c5933779a8bf5c15d596fdfcb5ccdebbc2 affected
a1b0b9415817c14d207921582f269d03f848b69f< 10b3f947b609713e04022101f492d288a014ddfa affected
a1b0b9415817c14d207921582f269d03f848b69f< d5a461c315e5ff92657f84d8ba50caa5abf5c22a affected
a1b0b9415817c14d207921582f269d03f848b69f< 172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e affected
a1b0b9415817c14d207921582f269d03f848b69f< 2ae4bade5a64d126bd18eb66bd419005c5550218 affected
a1b0b9415817c14d207921582f269d03f848b69f< 59c7ed20217c0939862fbf8145bc49d5b3a13f4f affected
a1b0b9415817c14d207921582f269d03f848b69f< 110b43ef05342d5a11284cc8b21582b698b4ef1c affected
… +10 more rows
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I. Basic Information for CVE-2025-21735

Vulnerability Information
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Vulnerability Title
NFC: nci: Add bounds checking in nci_hci_create_pipe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Add bounds checking in nci_hci_create_pipe() The "pipe" variable is a u8 which comes from the network. If it's more than 127, then it results in memory corruption in the caller, nci_hci_connect_gate().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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nci_hci_create_pipe函数中未对pipe变量进行边界检查，可能导致内存损坏。
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 a1b0b9415817c14d207921582f269d03f848b69f ~ bd249109d266f1d52548c46634a15b71656e0d44 -
Linux Linux 4.4 -

II. Public POCs for CVE-2025-21735

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III. Intelligence Information for CVE-2025-21735

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Patches & Fixes for CVE-2025-21735 (6)

Other References for CVE-2025-21735 (2)

Same Patch Batch · Linux · 2025-02-27 · 177 CVEs total

CVE-2025-21805 9.8 CRITICAL RDMA/rtrs: Add missing deinit() call
CVE-2025-21707 9.8 CRITICAL mptcp: consolidate suboption status
CVE-2025-21796 9.8 CRITICAL nfsd: clear acl_access/acl_default after releasing them
CVE-2025-21748 9.8 CRITICAL ksmbd: fix integer overflows on 32 bit systems
CVE-2024-58006 9.6 CRITICAL PCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar()
CVE-2024-57997 8.8 HIGH wifi: wcn36xx: fix channel survey memory allocation size
CVE-2024-57995 8.8 HIGH wifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev()
CVE-2024-57999 8.8 HIGH powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW
CVE-2025-21710 8.2 HIGH tcp: correct handling of extreme memory squeeze
CVE-2025-21760 8.1 HIGH ndisc: extend RCU protection in ndisc_send_skb()
CVE-2024-57973 8.1 HIGH rdma/cxgb4: Prevent potential integer overflow on 32bit
CVE-2025-21762 8.1 HIGH arp: use RCU protection in arp_xmit()
CVE-2025-21766 8.1 HIGH ipv4: use RCU protection in __ip_rt_update_pmtu()
CVE-2025-21765 8.1 HIGH ipv6: use RCU protection in ip6_default_advmss()
CVE-2025-21730 7.8 HIGH wifi: rtw89: avoid to init mgnt_entry list twice when WoWLAN failed
CVE-2025-21738 7.8 HIGH ata: libata-sff: Ensure that we cannot write outside the allocated buffer
CVE-2025-21729 7.8 HIGH wifi: rtw89: fix race between cancel_hw_scan and hw_scan completion
CVE-2025-21727 7.8 HIGH padata: fix UAF in padata_reorder
CVE-2025-21751 7.8 HIGH net/mlx5: HWS, change error flow on matcher disconnect
CVE-2025-21722 7.8 HIGH nilfs2: do not force clear folio if buffer is referenced

Showing top 20 of 177 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21735

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