CVE-2021-3564

EPSS 0.5%CWE-415

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Jun 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

Affected products

n/a · kernel

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References

https://bugzilla.redhat.com/show_bug.cgi?id=1964139 https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://www.openwall.com/lists/oss-security/2021/05/25/1 http://www.openwall.com/lists/oss-security/2021/05/25/1 http://www.openwall.com/lists/oss-security/2021/06/01/2