Vulnerability Intelligence Report
CVE-2021-4157
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
No Active Exploit Signals
CVSS Base Score
8.0
HIGH
EPSS Probability:1.60%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-119 ↗CWE-119
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| linux | linux_kernel | all |
| fedoraproject | fedora | 35 |
| netapp | h300e_firmware | all |
| netapp | h300e | all |
| netapp | h300s_firmware | all |
| netapp | h300s | all |
| netapp | h500e_firmware | all |
| netapp | h500e | all |
| netapp | h500s_firmware | all |
| netapp | h500s | all |
| netapp | h700e_firmware | all |
| netapp | h700e | all |
| netapp | h700s_firmware | all |
| netapp | h700s | all |
| netapp | h410s_firmware | all |
| netapp | h410s | all |
| oracle | communications_cloud_native_core_binding_support_function | 22.1.1, 22.1.3, 22.2.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.598%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2021-12-22T00:00:00 |
| Published | 2022-03-25T18:02:43 |
| Last Updated | 2024-08-03T17:16:04 |
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