CVE-2023-3567
Last modified
CVE-2023-3567 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 6.2.0 | — |
| Linux | Linux Kernel | 6.2.0 | Rc1 |
| Redhat | Enterprise Linux | 8.0 | — |
| Redhat | Enterprise Linux | 9.0 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 20.04 | — |
| Canonical | Ubuntu Linux | 22.04 | — |
References
- https://access.redhat.com/security/cve/CVE-2023-3567Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221463Issue Tracking, Third Party Advisory
- https://www.spinics.net/lists/stable-commits/msg285184.htmlMailing List, Patch
- https://access.redhat.com/security/cve/CVE-2023-3567Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221463Issue Tracking, Third Party Advisory
- https://www.spinics.net/lists/stable-commits/msg285184.htmlMailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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