CVSS 3.1
8.0 highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-4157
High (8.0). EPSS 1.6% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fedoraproject:fedora
- linux:linux_kernel
- netapp:h300e_firmware
- netapp:h300s_firmware
- netapp:h410s_firmware
- netapp:h500e_firmware
- netapp:h500s_firmware
- netapp:h700e_firmware
- netapp:h700s_firmware
- oracle:communications_cloud_native_core_binding_support_function