kernel

CVE-2021-3609

HIGH 7.0

At a glance

Source: NVD
EPSS: EPSS 0.43 % · percentile 37 (2026-10-31)
State: PUBLISHED
Published: 2022-03-03 18:24 UTC
Updated: 2024-08-03 17:01 UTC
Assigner: redhat
NVD status: Modified

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Description

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

Weaknesses (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2021-26913
GCVE · GCVE-0-2021-3609

CERT-FR advisories

CERTFR-2022-AVI-645 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2022-AVI-621 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2021-AVI-916 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-791 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2021-AVI-680 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
CERTFR-2021-AVI-665 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
CERTFR-2021-AVI-662 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-636 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-629 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-612 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-611 — Multiples vulnérabilités dans le noyau Linux de Red Hat · cert.ssi.gouv.fr
CERTFR-2021-AVI-602 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-595 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-570 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-563 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-553 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
CERTFR-2021-AVI-550 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2021-AVI-492 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2021-AVI-483 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 2.6.25 < 4.4.276
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.5 < 4.9.276
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.10 < 4.14.240
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.15 < 4.19.198
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.20 < 5.4.132
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.5.0 < 5.10.50
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.11 < 5.12.17
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.13 < 5.13.2
cpe:2.3:a:redhat:3scale_api_management:2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:build_of_quarkus:1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.8:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*
+17 more

Affected products

Product	Versions
kernel	affected Affects kernel v2.6.25 to v5.13-rc6

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

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