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CVE-2023-3567 is a race-condition use-after-free vulnerability in the Linux kernel virtual-console screen component. The flaw occurs in the vcs_read function in drivers/tty/vt/vc_screen.c. A local user can trigger the race, resulting in a kernel use-after-free condition that may crash the system or disclose internal kernel information.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Vulnerability addressed by the AlmaLinux 9.2 TuxCare advisory.
A vulnerability included in the TuxCare AlmaLinux 9.2 kernel security update advisory.
Linux kernel virtual-console use-after-free in vcs_read caused by a race condition.
Linux kernel race-condition use-after-free vulnerability in vcs_read().
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.