Detections
Analytics

CVE-2023-3567

high

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2221463

https://access.redhat.com/security/cve/CVE-2023-3567

https://access.redhat.com/errata/RHSA-2024:3138

https://access.redhat.com/errata/RHSA-2024:2950

https://access.redhat.com/errata/RHSA-2024:2394

https://access.redhat.com/errata/RHSA-2024:0575

https://access.redhat.com/errata/RHSA-2024:0448

https://access.redhat.com/errata/RHSA-2024:0439

https://access.redhat.com/errata/RHSA-2024:0432

https://access.redhat.com/errata/RHSA-2024:0431

https://access.redhat.com/errata/RHSA-2024:0412

https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-15

https://www.spinics.net/lists/stable-commits/msg285184.html

http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html

http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

Details

Source: Mitre, NVD

Published: 2023-07-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00036