CVE-2020-8648 describes a use-after-free vulnerability in the Linux kernel (through version 5.5.2) within the n_tty_receive_buf_common function, impacting various distributions including Canonical, Debian, and openSUSE. This vulnerability carries a CVSS score of 7.1 (HIGH), indicating that a local attacker with low privileges can achieve high confidentiality and availability impacts with low attack complexity. Despite its severity, there is no evidence of active exploitation, no publicly available exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.5.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2020-8648
Aug 11, 2020There 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.
Feb 11, 2020kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c
Jan 30, 2020