CVE-2021-3609

HIGH

7.0

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.

CVE Details

CVSS v3.1 Score7.0

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published3/3/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernelnetapp:h300enetapp:h300e_firmwarenetapp:h300snetapp:h300s_firmwarenetapp:h410cnetapp:h410c_firmwarenetapp:h410snetapp:h410s_firmwarenetapp:h500enetapp:h500e_firmwarenetapp:h500snetapp:h500s_firmwarenetapp:h610cnetapp:h610c_firmwarenetapp:h610snetapp:h610s_firmwarenetapp:h615cnetapp:h615c_firmwarenetapp:h700enetapp:h700e_firmwarenetapp:h700snetapp:h700s_firmwareredhat:3scale_api_managementredhat:build_of_quarkusredhat:codeready_linux_builder_eusredhat:codeready_linux_builder_for_power_little_endian_eusredhat:enterprise_linux_ausredhat:enterprise_linux_eusredhat:enterprise_linux_for_ibm_z_systems_eusredhat:enterprise_linux_for_ibm_z_systems_eus_s390xredhat:enterprise_linux_for_power_little_endian_eusredhat:enterprise_linux_for_real_timeredhat:enterprise_linux_for_real_time_for_nfvredhat:enterprise_linux_for_real_time_for_nfv_tusredhat:enterprise_linux_for_real_time_tusredhat:enterprise_linux_server_ausredhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutionsredhat:enterprise_linux_server_tusredhat:enterprise_linux_server_update_services_for_sap_solutionsredhat:openshift_container_platformredhat:virtualizationredhat:virtualization_host

Weaknesses (CWE)

CWE-362CWE-362

References

https://bugzilla.redhat.com/show_bug.cgi?id=1971651(secalert@redhat.com)

https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md(secalert@redhat.com)

https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463(secalert@redhat.com)

https://security.netapp.com/advisory/ntap-20220419-0004/(secalert@redhat.com)

https://www.openwall.com/lists/oss-security/2021/06/19/1(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1971651(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20220419-0004/(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2021/06/19/1(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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