CVE-2020-8648

HighCVSS 7.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=206361Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200924-0004/Third Party Advisory
https://usn.ubuntu.com/4342-1/Third Party Advisory
https://usn.ubuntu.com/4344-1/Third Party Advisory
https://usn.ubuntu.com/4345-1/Third Party Advisory
https://usn.ubuntu.com/4346-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4698Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=206361Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200924-0004/Third Party Advisory
https://usn.ubuntu.com/4342-1/Third Party Advisory
https://usn.ubuntu.com/4344-1/Third Party Advisory
https://usn.ubuntu.com/4345-1/Third Party Advisory
https://usn.ubuntu.com/4346-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4698Third Party Advisory

Timeline

Published: Feb 6, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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