CVE-2023-3567highCWE-416

Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.4%

exploitation probability

0.4%top 64% of all CVEs

observed exploitation

nono source reports it

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

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

Affected products

Red Hat · Red Hat Enterprise Linux 6 Red Hat · Red Hat Enterprise Linux 7 Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat · Red Hat Enterprise Linux 9 Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat · Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

References