CVE-2025-21735
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.4%
31.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2025-02-27 · modified 2026-07-30
CVSS breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | A | Adjacent |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2025-02-27 — Published (NVD)
- 2026-07-30 — Last modified (NVD)
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().
Affected
References
- https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa
- https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c
- https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e
- https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218
- https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f
- https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2
- https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44
- https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html