🛡️ CVE-2023-53680
🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-787 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL OPDESC() simply indexes into nfsd4_ops[] by the op's operation number, without range checking that value. It assumes callers are careful to avoid calling it with an out-of-bounds opnum value. nfsd4_decode_compound() is not so careful, and can invoke OPDESC() with opnum set to OP_ILLEGAL, which is 10044 -- well beyond the end of nfsd4_ops[].

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2025-10-07
Updated 2026-06-08
Modified 2026-02-26

Affected Packages

Software From version Fixed in
linux-kernel — —

Similar Threats

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