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.
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Score 6.7 from GitHub Security Advisory (severity: HIGH) published 2023-07-24. NVD baseline CVSS 7.1; sources differ by 0.4.
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.
July 24, 2023
November 21, 2024
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | lowlatency-4.4 (4.4.0-168) @ trusty | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-lts-xenial (4.4.0.244.250) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual (3.13.0.193.203) @ trusty | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-kvm (4.4.0.1123.120) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | lowlatency-4.4 (4.4.0-168) @ xenial | 2026-05-24 | ubuntu |
| redhat | kernel-0:4.18.0-553.el8_10 | 2024-05-22 | redhat |
| redhat | kernel-rt-0:4.18.0-553.rt7.342.el8_10 | 2024-05-22 | redhat |
| redhat | kernel-0:5.14.0-427.13.1.el9_4 | 2024-04-30 | redhat |
| redhat | kernel-0:4.18.0-477.43.1.el8_8 | 2024-01-30 | redhat |
| redhat | kernel-0:5.14.0-284.48.1.el9_2 | 2024-01-25 | redhat |
| redhat | kernel-0:5.14.0-70.85.1.el9_0 | 2024-01-25 | redhat |
| redhat | kernel-rt-0:5.14.0-70.85.1.rt21.156.el9_0 | 2024-01-25 | redhat |
| redhat | kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2 | 2024-01-25 | redhat |
| redhat | kernel-0:4.18.0-372.87.1.el8_6 | 2024-01-25 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
RHSA-2024:0412 — Moderate
RHSA-2024:0431 — Moderate
RHSA-2024:0432 — Moderate
RHSA-2024:0439 — Moderate
RHSA-2024:0448 — Moderate
RHSA-2024:2394 — Moderate
RHSA-2024:2950 — Moderate
RHSA-2024:3138 — Moderate
Kernel Live Patch Security Notice
Kernel Live Patch Security Notice
Linux kernel vulnerabilities
Linux kernel (KVM) vulnerabilities
Linux kernel vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2023-3567
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msrc · redhat
CWE-416