CVE-2021-4157

At a glance

Severity: Not available
EPSS: EPSS 1.58 % · percentile 75 (2026-10-27)
State: PUBLISHED
Published: 2022-03-25
Updated: 2024-08-03
Assigner: redhat
NVD status: Modified

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.0	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	HIGH 7.4	AV:A/AC:M/Au:S/C:C/I:C/A:C	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-119

European references

ENISA EUVD · EUVD-2021-34025
GCVE · GCVE-0-2021-4157

CERT-FR advisories

CERTFR-2022-AVI-748 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-710 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-688 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-670 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-652 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-644 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-629 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2022-AVI-591 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2022-AVI-452 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.0 < 4.4.269
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.5 < 4.9.269
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.10 < 4.14.233
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.15 < 4.19.191
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.20 < 5.4.120
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.5 < 5.10.38
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.11 < 5.11.22
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.12 < 5.12.5
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:*

Affected products

Product	Versions
kernel	affected kernel 5.13-rc1

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD