CVE-2022-50380: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.

Affected products

• Linux Linux Kernel: from 4.19, before 4.19.264 (fixed in 4.19.264); from 4.20, before 5.4.221 (fixed in 5.4.221); from 5.5, before 5.10.152 (fixed in 5.10.152); from 5.11, before 5.15.76 (fixed in 5.15.76); from 5.16, before 6.0.6 (fixed in 6.0.6)

Published 2025-09-18. Last modified 2026-06-17.