CVE-2022-24122: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

Affected products

• Fedoraproject Fedora: version 34 only; version 35 only
• Linux Linux Kernel: from 5.14, before 5.15.19 (fixed in 5.15.19); from 5.16, before 5.16.5 (fixed in 5.16.5)
• Netapp h300e Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500e Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700e Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified

Published 2022-01-29. Last modified 2026-06-17.