CVE-2025-21735

NFC: nci: Add bounds checking in nci_hci_create_pipe()

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().

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44
https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2
https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa
https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a patch
https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e patch
https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218 patch
https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f patch
https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c patch

Frequently Asked Questions

What is the severity of CVE-2025-21735?
CVE-2025-21735 has been scored as a high severity vulnerability.
How to fix CVE-2025-21735?
To fix CVE-2025-21735, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21735 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21735 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21735?
CVE-2025-21735 affects Linux Linux, Linux Linux.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.