What’s Vulnerable › Vulnerabilities

CVE-2020-8648

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-06 · updated 2026-06-17
• Weakness: CWE-416

Description

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.

Affected products

• Broadcom Brocade Fabric Operating System Firmware: all versions
• Canonical Ubuntu Linux: 14.04, 16.04, 18.04
• Debian Linux: 8.0
• Linux kernel: through 5.5.2
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Cloud Backup: all versions
• NetApp Hci Baseboard Management Controller: h410c
• NetApp Solidfire Baseboard Management Controller: all versions
• openSUSE Leap: 15.1

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
• https://bugzilla.kernel.org/show_bug.cgi?id=206361
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
• https://security.netapp.com/advisory/ntap-20200924-0004/
• https://usn.ubuntu.com/4342-1/
• https://usn.ubuntu.com/4344-1/
• https://usn.ubuntu.com/4345-1/
• https://usn.ubuntu.com/4346-1/
• https://www.debian.org/security/2020/dsa-4698
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

Get alerted when CVE-2020-8648 or the next vulnerability affects your stack