CVE-2019-19252: High severity Linux Linux kernel vulnerability
Last updated 4 July 2026
Other sources
vcswrite in drivers/tty/vt/vcscreen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
Event History
Frequently Asked Questions
What is the severity of CVE-2019-19252?
CVE-2019-19252 is considered a medium severity vulnerability due to its potential impact on the security of the Linux kernel.
How do I fix CVE-2019-19252?
To fix CVE-2019-19252, upgrade to the Linux kernel versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, or 6.12.10-1.
What systems are affected by CVE-2019-19252?
CVE-2019-19252 affects the Linux kernel versions up to 5.3.13 on various distributions.
What does CVE-2019-19252 exploit?
CVE-2019-19252 allows unauthorized write access to vcsu devices in the Linux kernel.
Is there a workaround for CVE-2019-19252 if I cannot upgrade?
Currently, the recommended action is to upgrade, and there are no known workarounds for CVE-2019-19252.