high7.0
CVE-2021-3609
.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…
Impact
.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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 2.6.25 before 4.4.276 from 4.5 before 4.9.276 from 4.10 before 4.14.240 from 4.15 before 4.19.198 from 4.20 before 5.4.132 from 5.5.0 before 5.10.50 |
| Redhat | 3scale Api Management | Version 2.0 |
| Redhat | Build Of Quarkus | Version 1.0 |
| Redhat | Codeready Linux Builder Eus | Versions 8.1, 8.2, 8.4 |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | Versions 8.1, 8.2, 8.4 |
| Redhat | Openshift Container Platform | Versions 4.6, 4.7, 4.8 |
| Redhat | Virtualization | Version 4.0 |
| Redhat | Virtualization Host | Version 4.0 |
| Redhat | Enterprise Linux Aus | Version 8.2 |
| Redhat | Enterprise Linux Eus | Versions 8.1, 8.2, 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | Version 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus S390x | Version 8.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1971651
- https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md
- https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463
- https://security.netapp.com/advisory/ntap-20220419-0004/
- https://www.openwall.com/lists/oss-security/2021/06/19/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1971651
- https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md
- https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463
- https://security.netapp.com/advisory/ntap-20220419-0004/
- https://www.openwall.com/lists/oss-security/2021/06/19/1