CVE-2023-3567 Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
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.
Problem types: cwe_id: CWE-416
description: Use After Free
Affected products: vendor: Red Hat
product: Red Hat Enterprise Linux 8
cpes: cpe:/a:redhat:enterprise_linux:8::realtime
cpe:/a:redhat:enterprise_linux:8::nfv
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8
cpes: cpe:/a:redhat:enterprise_linux:8::crb
cpe:/o:redhat:enterprise_linux:8::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.6 Extended Update Support
cpes: cpe:/o:redhat:rhev_hypervisor:4.4::el8
cpe:/a:redhat:rhel_eus:8.6::crb
cpe:/o:redhat:rhel_eus:8.6::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 8.8 Extended Update Support
cpes: cpe:/o:redhat:rhel_eus:8.8::baseos
cpe:/a:redhat:rhel_eus:8.8::crb
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9
cpes: cpe:/a:redhat:enterprise_linux:9::crb
cpe:/a:redhat:enterprise_linux:9::nfv
cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::realtime
cpe:/o:redhat:enterprise_linux:9::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9
cpes: cpe:/a:redhat:enterprise_linux:9::crb
cpe:/a:redhat:enterprise_linux:9::nfv
cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::realtime
cpe:/o:redhat:enterprise_linux:9::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
cpes: cpe:/o:redhat:rhel_eus:9.0::baseos
cpe:/a:redhat:rhel_eus:9.0::crb
cpe:/a:redhat:rhel_eus:9.0::appstream
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
cpes: cpe:/a:redhat:rhel_eus:9.0::realtime
cpe:/a:redhat:rhel_eus:9.0::nfv
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9.2 Extended Update Support
cpes: cpe:/a:redhat:rhel_eus:9.2::appstream
cpe:/a:redhat:rhel_eus:9.2::crb
cpe:/o:redhat:rhel_eus:9.2::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 9.2 Extended Update Support
cpes: cpe:/a:redhat:rhel_eus:9.2::nfv
cpe:/a:redhat:rhel_eus:9.2::realtime
default_status: affected
vendor: Red Hat
product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
cpes: cpe:/o:redhat:rhev_hypervisor:4.4::el8
cpe:/a:redhat:rhel_eus:8.6::crb
cpe:/o:redhat:rhel_eus:8.6::baseos
default_status: affected
vendor: Red Hat
product: Red Hat Enterprise Linux 6
cpes: cpe:/o:redhat:enterprise_linux:6
default_status: unaffected
vendor: Red Hat
product: Red Hat Enterprise Linux 7
cpes: cpe:/o:redhat:enterprise_linux:7
default_status: unknown
vendor: Red Hat
product: Red Hat Enterprise Linux 7
cpes: cpe:/o:redhat:enterprise_linux:7
default_status: unknown
vendor: Red Hat
product: Red Hat Enterprise Linux 9
cpes: cpe:/o:redhat:enterprise_linux:9
default_status: affected
CVSS v3.1: attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
version: 3.1
Published: 2023-07-24T15:19:19.795Z